diff --git a/packages/cli/src/acp-integration/session/Session.ts b/packages/cli/src/acp-integration/session/Session.ts
index b89044be4..fd009dddf 100644
--- a/packages/cli/src/acp-integration/session/Session.ts
+++ b/packages/cli/src/acp-integration/session/Session.ts
@@ -590,7 +590,7 @@ export class Session implements SessionContext {
 
     // ---- L1: Tool enablement check ----
     const pm = this.config.getPermissionManager?.();
-    if (pm && !pm.isToolEnabled(fc.name as string)) {
+    if (pm && !(await pm.isToolEnabled(fc.name as string))) {
       return earlyErrorResponse(
         new Error(
           `Qwen Code requires permission to use "${fc.name}", but that permission was declined.`,