diff --git a/main.go b/main.go
index 740b5fe..e00b773 100644
--- a/main.go
+++ b/main.go
@@ -96,7 +96,7 @@ func (rcv *receiver) handleWebhooks(w http.ResponseWriter, r *http.Request) {
 
 	defer resp.Body.Close()
 	if resp.StatusCode != http.StatusOK {
-		rcv.logger.Error("ntfy: received status code %d", resp.StatusCode)
+		rcv.logger.Errorf("ntfy: received status code %d", resp.StatusCode)
 	}
 }