diff --git a/libs/langchain/langchain/tools/base.py b/libs/langchain/langchain/tools/base.py
index 9ad81033d5d..69597cd9038 100644
--- a/libs/langchain/langchain/tools/base.py
+++ b/libs/langchain/langchain/tools/base.py
@@ -592,7 +592,7 @@ class StructuredTool(BaseTool):
                 None, partial(self.invoke, input, config, **kwargs)
             )
 
-        return super().ainvoke(input, config, **kwargs)
+        return await super().ainvoke(input, config, **kwargs)
 
     # --- Tool ---