diff --git a/navi/tools/_internal/loader.py b/navi/tools/_internal/loader.py
index 8b0620a..8d554ab 100644
--- a/navi/tools/_internal/loader.py
+++ b/navi/tools/_internal/loader.py
@@ -96,7 +96,7 @@
     if not callable(execute_fn):
         return None
 
-    async def _execute(self, params: dict) -> ToolResult:
+    async def _execute(self, params: dict, ctx=None) -> ToolResult:
         try:
             result = await execute_fn(params)
             return ToolResult(success=True, output=str(result))