From c6d065aa20e2ba7fc089ad0309e94205fb4355c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Antonin=20D=C3=A9cimo?= <antonin.decimo@gmail.com>
Date: Mon, 14 Sep 2020 15:48:16 +0200
Subject: [PATCH] Println doesn't support formats.

---
 webserver.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/webserver.go b/webserver.go
index ac9610b..59b8e7e 100644
--- a/webserver.go
+++ b/webserver.go
@@ -144,7 +144,7 @@ func groupHandler(w http.ResponseWriter, r *http.Request) {
 		if os.IsNotExist(err) {
 			notFound(w)
 		} else {
-			log.Println("addGroup: %v", err)
+			log.Printf("addGroup: %v", err)
 			http.Error(w, "Internal server error",
 				http.StatusInternalServerError)
 		}