diff --git a/AppKit/Platform/DOM/CPPlatformWindow+DOM.j b/AppKit/Platform/DOM/CPPlatformWindow+DOM.j
index 8f42328cd..ea9f832e5 100644
--- a/AppKit/Platform/DOM/CPPlatformWindow+DOM.j
+++ b/AppKit/Platform/DOM/CPPlatformWindow+DOM.j
@@ -556,7 +556,7 @@ var resizeTimer = nil;
     [PlatformWindows addObject:self];
 
     // FIXME: cpSetFrame?
-    _DOMWindow.document.write("<!DOCTYPE html><html lang='en'><head></head><body style='background-color:transparent;'></body></html>");
+    _DOMWindow.document.write('<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"></head><body style="background-color:transparent;"></body></html>');
     _DOMWindow.document.close();
 
     if (self != [CPPlatformWindow primaryPlatformWindow])