diff --git a/lang_agent/tool_manager.py b/lang_agent/tool_manager.py
index ed168d9..ce97914 100644
--- a/lang_agent/tool_manager.py
+++ b/lang_agent/tool_manager.py
@@ -41,7 +41,7 @@ class ToolManager:
         tool_confs = []
         for e in dir(self.config):
             el = getattr(self.config, e)
-            if ("calc_config" in e) and is_dataclass(el):
+            if ("config" in e) and is_dataclass(el):
                 tool_confs.append(el)
         
         return tool_confs