diff --git a/internal/client/github.go b/internal/client/github.go
index ec0c0ef1b..f51e4a80d 100644
--- a/internal/client/github.go
+++ b/internal/client/github.go
@@ -171,5 +171,8 @@ func (c *githubClient) Upload(
 	if resp.StatusCode == 422 {
 		return err
 	}
-	return RetriableError{err}
+	if err != nil {
+		return RetriableError{err}
+	}
+	return nil
 }