Index: /CKEditor/trunk/_source/plugins/wysiwygarea/plugin.js
===================================================================
--- /CKEditor/trunk/_source/plugins/wysiwygarea/plugin.js	(revision 5381)
+++ /CKEditor/trunk/_source/plugins/wysiwygarea/plugin.js	(revision 5382)
@@ -644,4 +644,6 @@
 									if ( !(/<head[\s|>]/).test( data ) )
 										data = data.replace( /<html[^>]*>/, '$&<head><title></title></head>' ) ;
+									else if ( !(/<title[\s|>]/).test( data ) )
+										data = data.replace( /<head[^>]*>/, '$&<title></title>' ) ;
 
 									// The base must be the first tag in the HEAD, e.g. to get relative
