diff --git a/res/res_agi.c b/res/res_agi.c
index 3a8b256b6266a5e3f0c6f5d699b7af2a974134a8..d1218e2881918b396ed8e40df8ee156bbf0adf0c 100644
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -117,7 +117,7 @@ static void agi_debug_cli(int fd, char *fmt, ...)
 	} else {
 		if (agidebug)
 			ast_verbose("AGI Tx >> %s", stuff);
-		ast_carefulwrite(fd, stuff, strlen(stuff), 100, NULL);
+		ast_carefulwrite(fd, stuff, strlen(stuff), 100);
 		free(stuff);
 	}
 }