diff --git a/omemo/fpr_dialog.ui b/omemo/fpr_dialog.ui
index d692792..c75e700 100644
--- a/omemo/fpr_dialog.ui
+++ b/omemo/fpr_dialog.ui
@@ -167,7 +167,7 @@
         </child>
       </object>
       <packing>
-        <property name="expand">False</property>
+        <property name="expand">True</property>
         <property name="fill">True</property>
         <property name="position">1</property>
       </packing>