Index: apps/app_addon_sql_mysql.c
===================================================================
--- apps/app_addon_sql_mysql.c	(revision 610)
+++ apps/app_addon_sql_mysql.c	(working copy)
@@ -402,6 +402,7 @@
 			}
 			return 0;
 		} else {
+			set_asterisk_int(chan, args.resultvar, 0);
 			ast_log(LOG_WARNING, "aMYSQL_fetch: Invalid result identifier %d passed\n", resultid);
 		}
 	} else {