diff --git a/src/mod/event_handlers/mod_event_socket/mod_event_socket.c b/src/mod/event_handlers/mod_event_socket/mod_event_socket.c
index be417600a2..941db22c84 100644
--- a/src/mod/event_handlers/mod_event_socket/mod_event_socket.c
+++ b/src/mod/event_handlers/mod_event_socket/mod_event_socket.c
@@ -1363,7 +1363,7 @@ static void *SWITCH_THREAD_FUNC api_exec(switch_thread_t *thread, void *obj)
 
 	if (acs->console_execute) {
 		if ((status = switch_console_execute(acs->api_cmd, 0, &stream)) != SWITCH_STATUS_SUCCESS) {
-			stream.write_function(&stream, "%s: Command not found!\n", acs->api_cmd);
+			stream.write_function(&stream, "-ERR %s Command not found!\n", acs->api_cmd);
 		}
 	} else {
 		status = switch_api_execute(acs->api_cmd, acs->arg, NULL, &stream);
@@ -1372,7 +1372,7 @@ static void *SWITCH_THREAD_FUNC api_exec(switch_thread_t *thread, void *obj)
 	if (status == SWITCH_STATUS_SUCCESS) {
 		reply = stream.data;
 	} else {
-		freply = switch_mprintf("%s: Command not found!\n", acs->api_cmd);
+		freply = switch_mprintf("-ERR %s Command not found!\n", acs->api_cmd);
 		reply = freply;
 	}