diff --git a/src/unix-manager.c b/src/unix-manager.c
index a7f0052e23..19922cce7e 100644
--- a/src/unix-manager.c
+++ b/src/unix-manager.c
@@ -763,7 +763,7 @@ TmEcode UnixManagerListCommand(json_t *cmd,
     }
 
     TAILQ_FOREACH(lcmd, &gcmd->commands, next) {
-        json_array_append(jarray, json_string(lcmd->name));
+        json_array_append_new(jarray, json_string(lcmd->name));
         i++;
     }