diff --git a/src/viur/core/modules/file.py b/src/viur/core/modules/file.py
index 9bb23ecda..abb9e2ba8 100644
--- a/src/viur/core/modules/file.py
+++ b/src/viur/core/modules/file.py
@@ -508,7 +508,7 @@ def get_bucket(dlkey: str) -> google.cloud.storage.bucket.Bucket:
                 return _public_bucket
 
             raise ValueError(
-                f"""The bucket 'public-dot-{_PROJECT_ID}' does not exist! Please create it with ACL access."""
+                f"""The bucket '{PUBLIC_BUCKET_NAME}' does not exist! Please create it with ACL access."""
             )
 
         return _private_bucket