diff --git a/tools/remote_caller.go b/tools/remote_caller.go
index afabac7..73f2db9 100644
--- a/tools/remote_caller.go
+++ b/tools/remote_caller.go
@@ -182,6 +182,7 @@ func (caller *HTTPCaller) CallForm(method string, url string, subpath string,
 }
 
 func (caller *HTTPCaller) StoreResp(resp *http.Response) error {
+	caller.LastResults = make(map[string]interface{})
 	caller.LastResults["header"] = resp.Header
 	caller.LastResults["code"] = resp.StatusCode
 	data, err := io.ReadAll(resp.Body)