Index: channels/chan_iax2.c
===================================================================
--- channels/chan_iax2.c	(revision 157288)
+++ channels/chan_iax2.c	(working copy)
@@ -6271,7 +6271,7 @@
 
 	/* Make sure our call still exists, an INVAL at the right point may make it go away */
 	if (!iaxs[callno]) {
-		res = 0;
+		res = -1;
 		goto return_unref;
 	}