Index: /trunk/roundcubemail/program/js/app.js
===================================================================
--- /trunk/roundcubemail/program/js/app.js	(revision 794)
+++ /trunk/roundcubemail/program/js/app.js	(revision 795)
@@ -1692,5 +1692,5 @@
 
     // check for empty body
-    if ((input_message.value == '' || (window.tinyMCE && tinyMCE.getContent() == '')) && !confirm(this.get_label('nobodywarning')))
+    if ((input_message.value == '' && (!window.tinyMCE || tinyMCE.getContent() == '')) && !confirm(this.get_label('nobodywarning')))
       {
       input_message.focus();