--- a/pkg/middleware/modifyquery.go	Sat Aug 21 15:01:52 2021 +0200
+++ b/pkg/middleware/modifyquery.go	Mon Sep 20 17:45:39 2021 +0200
@@ -15,12 +15,12 @@
 
 import (
 	"encoding/hex"
-	"log"
 	"net/http"
 	"net/url"
 	"strings"
 
 	"gemma.intevation.de/gemma/pkg/auth"
+	"gemma.intevation.de/gemma/pkg/log"
 )
 
 // ParseQuery is a modified version of the internal query
@@ -76,13 +76,13 @@
 		parameters := make(url.Values)
 
 		if err := ParseQuery(parameters, req.URL.RawQuery, "&", "=", nil); err != nil {
-			log.Printf("parsing query failed: %v\n", err)
+			log.Errorf("parsing query failed: %v\n", err)
 			http.Error(rw, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
 			return
 		}
 
 		if err := modify(req, parameters); err != nil {
-			log.Printf("modifying query parameters failed: %v\n", err)
+			log.Errorf("modifying query parameters failed: %v\n", err)
 			http.Error(rw, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
 		}
 
@@ -101,7 +101,7 @@
 	parameters.Del("env")
 
 	if session, ok := auth.GetSession(req); ok {
-		// log.Printf("info: injecting user %s\n", session.User)
+		// log.Infof("injecting user %s\n", session.User)
 		parameters.Set("env", "user:"+hex.EncodeToString([]byte(session.User)))
 	}
 	return nil