--- a/pkg/imports/report.go	Sat Aug 21 15:01:52 2021 +0200
+++ b/pkg/imports/report.go	Mon Sep 20 17:45:39 2021 +0200
@@ -19,7 +19,6 @@
 	"database/sql"
 	"errors"
 	"fmt"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
@@ -29,6 +28,7 @@
 	"gemma.intevation.de/gemma/pkg/auth"
 	"gemma.intevation.de/gemma/pkg/common"
 	"gemma.intevation.de/gemma/pkg/config"
+	"gemma.intevation.de/gemma/pkg/log"
 	"gemma.intevation.de/gemma/pkg/misc"
 	"gemma.intevation.de/gemma/pkg/models"
 	"gemma.intevation.de/gemma/pkg/xlsx"
@@ -207,19 +207,19 @@
 	var admin misc.EmailReceiver
 	if err := tx.QueryRowContext(
 		ctx, selectCurrentUserSQL).Scan(&admin.Name, &admin.Address); err != nil {
-		log.Printf("error: Cannot find sender: %v\n")
+		log.Errorf("cannot find sender: %v\n")
 		return nil, fmt.Errorf("cannot find sender: %v", err)
 	}
 
 	// Generate the actual report.
 	if err := action.Execute(ctx, tx, template); err != nil {
-		log.Printf("error: %v\n", err)
+		log.Errorf("%v\n", err)
 		return nil, fmt.Errorf("Generating report failed: %v", err)
 	}
 
 	var buf bytes.Buffer
 	if _, err := template.WriteTo(&buf); err != nil {
-		log.Printf("error: %v\n", err)
+		log.Errorf("%v\n", err)
 		return nil, fmt.Errorf("generating report failed: %v", err)
 	}