diff --git a/entrypoint.sh b/entrypoint.sh
index b0392cc..5667754 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -13,7 +13,7 @@ echo "$PGHOST:5432:$PGDATABASE:$PGUSER:$PGPASSWORD" > ~/.pgpass
 chmod 600 ~/.pgpass
 
 # Optional: Standardwert für den Dateinamen der Sicherung
-BACKUP_FILE=${BACKUP_FILE:-"/backup/$PGDATABASE_$(date +%Y%m%d_%H%M%S).sql"}
+BACKUP_FILE=${BACKUP_FILE:-"/backup/$(echo $PGDATABASE)_$(date +%Y%m%d_%H%M%S).sql"}
 
 # Führe den pg_dump-Befehl aus (pg_dump wird automatisch die .pgpass-Datei verwenden)
 pg_dump -h "$PGHOST" -U "$PGUSER" -d "$PGDATABASE" -F c -f "$BACKUP_FILE"