diff --git a/litellm/proxy/_experimental/mcp_server/mcp_server_manager.py b/litellm/proxy/_experimental/mcp_server/mcp_server_manager.py
index 6e21d53a3db..68a15579bf5 100644
--- a/litellm/proxy/_experimental/mcp_server/mcp_server_manager.py
+++ b/litellm/proxy/_experimental/mcp_server/mcp_server_manager.py
@@ -506,12 +506,12 @@ class MCPServerManager:
                     )
 
                     # Update tool name to server name mapping (for both prefixed and base names)
-                    self.tool_name_to_mcp_server_name_mapping[base_tool_name] = (
-                        server_prefix
-                    )
-                    self.tool_name_to_mcp_server_name_mapping[prefixed_tool_name] = (
-                        server_prefix
-                    )
+                    self.tool_name_to_mcp_server_name_mapping[
+                        base_tool_name
+                    ] = server_prefix
+                    self.tool_name_to_mcp_server_name_mapping[
+                        prefixed_tool_name
+                    ] = server_prefix
 
                     registered_count += 1
                     verbose_logger.debug(