diff --git a/mailnews/compose/src/nsMsgSend.h b/mailnews/compose/src/nsMsgSend.h
index f039d650389..bd6e76a72d0 100644
--- a/mailnews/compose/src/nsMsgSend.h
+++ b/mailnews/compose/src/nsMsgSend.h
@@ -134,7 +134,7 @@
 #include "nsMsgMessageFlags.h"
 #include "MsgCompGlue.h"
 #include "nsIMsgSend.h"
-#include "nsIUrl.h"
+#include "nsIURL.h"
 #include "nsMsgAttachmentHandler.h"
 
 //