diff --git a/nanobot/agent/subagent.py b/nanobot/agent/subagent.py
index c1aaa2d0d..9d936f034 100644
--- a/nanobot/agent/subagent.py
+++ b/nanobot/agent/subagent.py
@@ -115,12 +115,13 @@ class SubagentManager:
             tools.register(WriteFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
             tools.register(EditFileTool(workspace=self.workspace, allowed_dir=allowed_dir))
             tools.register(ListDirTool(workspace=self.workspace, allowed_dir=allowed_dir))
-            tools.register(ExecTool(
-                working_dir=str(self.workspace),
-                timeout=self.exec_config.timeout,
-                restrict_to_workspace=self.restrict_to_workspace,
-                path_append=self.exec_config.path_append,
-            ))
+            if self.exec_config.enable:
+                tools.register(ExecTool(
+                    working_dir=str(self.workspace),
+                    timeout=self.exec_config.timeout,
+                    restrict_to_workspace=self.restrict_to_workspace,
+                    path_append=self.exec_config.path_append,
+                ))
             tools.register(WebSearchTool(config=self.web_search_config, proxy=self.web_proxy))
             tools.register(WebFetchTool(proxy=self.web_proxy))