diff --git a/admin/sync/full.go b/admin/sync/full.go
index 837d19b0..b27c3b33 100644
--- a/admin/sync/full.go
+++ b/admin/sync/full.go
@@ -60,7 +60,7 @@ func SpeedySyncDeep(i Importer) (errs SyncReport) {
 		DeepSyncProgress = 2
 
 		if i.Exists(StandaloneExercicesDirectory) {
-			themes = append([]*fic.Theme{}, &fic.Theme{Path: StandaloneExercicesDirectory})
+			themes = append(themes, &fic.Theme{Path: StandaloneExercicesDirectory})
 		}
 
 		var themeStep uint8 = uint8(250) / uint8(len(themes))