diff --git a/packages/opencode/src/tool/bash.ts b/packages/opencode/src/tool/bash.ts
index ce35be7774..8d4d068972 100644
--- a/packages/opencode/src/tool/bash.ts
+++ b/packages/opencode/src/tool/bash.ts
@@ -181,7 +181,7 @@ export const BashTool = Tool.define("bash", async () => {
                   ? resolved.replace(/^\/([a-z])\//, (_, drive) => `${drive.toUpperCase()}:\\`).replace(/\//g, "\\")
                   : resolved
 
-              await checkExternalDirectory(path.dirname(normalized))
+              await checkExternalDirectory(normalized)
             }
           }
         }