Index: main/channel.c
===================================================================
--- main/channel.c	(revision 264112)
+++ main/channel.c	(working copy)
@@ -4299,6 +4299,9 @@
 	} else if (clonechan->masqr) {
 		ast_log(LOG_WARNING, "%s is already going to masquerade as %s\n",
 			clonechan->name, clonechan->masqr->name);
+	} else if (clonechan->masq) {
+		ast_log(LOG_WARNING, "%s is already going to masquerade as %s\n",
+			clonechan->masq->name, clonechan->name);
 	} else {
 		original->masq = clonechan;
 		clonechan->masqr = original;