diff --git a/now_listen/config_dialog.ui b/now_listen/config_dialog.ui
index 4a83744..27f2e96 100644
--- a/now_listen/config_dialog.ui
+++ b/now_listen/config_dialog.ui
@@ -1,10 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.20.4 -->
+<!-- Generated with glade 3.22.1 -->
 <interface>
-  <requires lib="gtk+" version="3.0"/>
+  <requires lib="gtk+" version="3.20"/>
   <object class="GtkWindow" id="config_window">
+    <property name="width_request">400</property>
+    <property name="height_request">-1</property>
     <property name="can_focus">False</property>
     <property name="title" translatable="yes">Now Listen Configuration</property>
+    <child type="titlebar">
+      <placeholder/>
+    </child>
     <child>
       <object class="GtkBox" id="now_listen_config">
         <property name="visible">True</property>
@@ -13,145 +18,89 @@
         <property name="margin_right">5</property>
         <property name="margin_top">5</property>
         <property name="margin_bottom">5</property>
+        <property name="border_width">18</property>
         <property name="orientation">vertical</property>
-        <property name="spacing">5</property>
+        <property name="spacing">6</property>
         <child>
-          <object class="GtkBox">
+          <object class="GtkLabel">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
-            <property name="margin_left">5</property>
-            <property name="margin_right">5</property>
-            <property name="orientation">vertical</property>
-            <property name="spacing">5</property>
-            <child>
-              <object class="GtkLabel" id="label1">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">&lt;b&gt;Format string:&lt;/b&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">-1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="format_string">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-              </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
+            <property name="halign">start</property>
+            <property name="label" translatable="yes">Format string</property>
+            <style>
+              <class name="bold"/>
+              <class name="dim-label"/>
+            </style>
           </object>
           <packing>
             <property name="expand">False</property>
             <property name="fill">True</property>
-            <property name="position">0</property>
+            <property name="position">3</property>
           </packing>
         </child>
         <child>
-          <object class="GtkBox">
+          <object class="GtkEntry" id="format_string">
             <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="margin_left">5</property>
-            <property name="margin_right">5</property>
-            <property name="orientation">vertical</property>
-            <property name="spacing">5</property>
-            <child>
-              <object class="GtkLabel" id="label2">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">&lt;b&gt;Format string for non-local files (MPRIS2 only):&lt;/b&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="format_string_http">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkFrame" id="frame1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="margin_left">5</property>
-            <property name="margin_right">5</property>
-            <property name="margin_top">5</property>
-            <property name="margin_bottom">5</property>
-            <property name="label_xalign">0.05000000074505806</property>
-            <property name="shadow_type">in</property>
-            <child>
-              <object class="GtkAlignment" id="alignment1">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_left">5</property>
-                <property name="margin_right">5</property>
-                <property name="margin_top">5</property>
-                <property name="margin_bottom">5</property>
-                <property name="top_padding">5</property>
-                <property name="left_padding">15</property>
-                <child>
-                  <object class="GtkLabel" id="label4">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label" translatable="yes">%title - title of the track being played
-%artist - artist
-%album - album
-
-&lt;b&gt;For MPRIS2:&lt;/b&gt;
-%url - URL of the file, local files use the file://-schema</property>
-                    <property name="use_markup">True</property>
-                    <property name="xalign">0</property>
-                    <property name="yalign">0</property>
-                  </object>
-                </child>
-              </object>
-            </child>
-            <child type="label">
-              <object class="GtkLabel" id="label3">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">&lt;b&gt;Information:&lt;/b&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
+            <property name="can_focus">True</property>
+            <property name="invisible_char">●</property>
           </object>
           <packing>
             <property name="expand">True</property>
             <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">2</property>
+            <property name="position">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="halign">start</property>
+            <property name="label" translatable="yes">Format string for non-local files (MPRIS2 only)</property>
+            <style>
+              <class name="bold"/>
+              <class name="dim-label"/>
+              <class name="margin-top6"/>
+            </style>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">5</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkEntry" id="format_string_http">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="invisible_char">●</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">6</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="halign">start</property>
+            <property name="label" translatable="yes">%title - title of the track being played
+%artist - artist
+%album - album
+
+%url - URL of the file, local files use the file://-schema</property>
+            <style>
+              <class name="dim-label"/>
+            </style>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">7</property>
           </packing>
         </child>
       </object>
     </child>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
   </object>
 </interface>
diff --git a/now_listen/now_listen.py b/now_listen/now_listen.py
index d301f26..6f2dd78 100644
--- a/now_listen/now_listen.py
+++ b/now_listen/now_listen.py
@@ -7,20 +7,15 @@ from gi.repository import Gdk
 from gajim.plugins import GajimPlugin
 from gajim.plugins.helpers import log_calls
 from gajim.plugins.gui import GajimPluginConfigDialog
+from gajim.plugins.plugins_i18n import _
 
 from gajim.common.dbus.music_track import MusicTrackListener
 
-# Since Gajim 1.1.0 _() has to be imported
-try:
-    from gajim.common.i18n import _
-except ImportError:
-    pass
 
 log = logging.getLogger('gajim.plugin_system.now_listen')
 
 
 class NowListenPlugin(GajimPlugin):
-
     @log_calls('NowListenPlugin')
     def init(self):
         self.description = _('Copy tune info of playing music to conversation '