diff --git a/litellm/integrations/langfuse.py b/litellm/integrations/langfuse.py
index 977db62d31..12b20f3d31 100644
--- a/litellm/integrations/langfuse.py
+++ b/litellm/integrations/langfuse.py
@@ -459,10 +459,9 @@ class LangFuseLogger:
                 # If using litellm proxy user `key_alias` if not None
                 # If `key_alias` is None, just log `litellm-{call_type}` as the generation name
                 _user_api_key_alias = clean_metadata.get("user_api_key_alias", None)
-                generation_name = (
-                    _user_api_key_alias
-                    or f"litellm-{kwargs.get('call_type', 'completion')}"
-                )
+                generation_name = f"litellm-{kwargs.get('call_type', 'completion')}"
+                if _user_api_key_alias is not None:
+                    generation_name = f"litellm:{_user_api_key_alias}"
 
             if response_obj is not None and "system_fingerprint" in response_obj:
                 system_fingerprint = response_obj.get("system_fingerprint", None)