diff --git a/server/modules/routing/debugcli/debugcmd.c b/server/modules/routing/debugcli/debugcmd.c
index a910d8a2e..1e19ab9ca 100644
--- a/server/modules/routing/debugcli/debugcmd.c
+++ b/server/modules/routing/debugcli/debugcmd.c
@@ -1709,7 +1709,9 @@ static void callModuleCommand(DCB *dcb, char *domain, char *id, char *v3,
             }
             else if (output)
             {
-                dcb_printf(dcb, "%s\n", json_dumps(output, JSON_INDENT(4)));
+                char* js = json_dumps(output, JSON_INDENT(4));
+                dcb_printf(dcb, "%s\n", js);
+                MXS_FREE(js);
             }
 
             json_decref(output);