diff --git a/cmd/csaf_uploader/main.go b/cmd/csaf_uploader/main.go
index dcee311..01dc937 100644
--- a/cmd/csaf_uploader/main.go
+++ b/cmd/csaf_uploader/main.go
@@ -288,8 +288,11 @@ func (p *processor) process(filename string) error {
 	}
 	defer resp.Body.Close()
 
+	var uploadErr error
 	if resp.StatusCode != http.StatusOK {
-		log.Printf("Upload failed: %s\n", resp.Status)
+		s := fmt.Sprintf("upload failed: %s", resp.Status)
+		fmt.Printf("HTTPS %s\n", s)
+		uploadErr = errors.New(s)
 	}
 
 	var result struct {
@@ -313,7 +316,7 @@ func (p *processor) process(filename string) error {
 	writeStrings("Warnings:", result.Warnings)
 	writeStrings("Errors:", result.Errors)
 
-	return nil
+	return uploadErr
 }
 
 // findIniFile looks for a file in the pre-defined paths in "iniPaths".