Index: pbx/pbx_config.c
===================================================================
--- pbx/pbx_config.c	(revision 343531)
+++ pbx/pbx_config.c	(working copy)
@@ -87,7 +87,7 @@
 		return complete_dialplan_remove_include(a);
 	}
 
-	if (strcmp(a->argv[4], "from"))
+	if (a->argc != 6 || strcmp(a->argv[4], "from"))
 		return CLI_SHOWUSAGE;
 
 	if (!ast_context_remove_include(a->argv[5], a->argv[3], registrar)) {