diff --git a/client/jansson/path.c b/client/jansson/path.c
index bafea59ba..f9c3a9117 100644
--- a/client/jansson/path.c
+++ b/client/jansson/path.c
@@ -182,7 +182,7 @@ int json_path_set_new(json_t *json, const char *path, json_t *value, size_t flag
         json_array_set(parent, index_saved, value);
         cursor = json_array_get(parent, index_saved);
     } else {
-        jsonp_error_set(error, -1, -1, last_peek - buf, json_error_item_not_found, "invalid path");
+        jsonp_error_set(error, -1, -1, 0, json_error_item_not_found, "invalid path");
         goto fail;
     }