diff --git a/src/restic/testing_test.go b/src/restic/testing_test.go
index de7402871..8243a01a8 100644
--- a/src/restic/testing_test.go
+++ b/src/restic/testing_test.go
@@ -31,7 +31,7 @@ func TestCreateSnapshot(t *testing.T) {
 
 	sn := snapshots[0]
 	if sn.Time.Before(testSnapshotTime) || sn.Time.After(testSnapshotTime.Add(testCreateSnapshots*time.Second)) {
-		t.Fatalf("timestamp %v is outside of the allowed time range", sn.Time, testSnapshotTime)
+		t.Fatalf("timestamp %v is outside of the allowed time range", sn.Time)
 	}
 
 	if sn.Tree == nil {