diff --git a/src/features/tmux-subagent/manager.ts b/src/features/tmux-subagent/manager.ts
index be6f5d808..0ff05a594 100644
--- a/src/features/tmux-subagent/manager.ts
+++ b/src/features/tmux-subagent/manager.ts
@@ -405,7 +405,7 @@ export class TmuxSessionManager {
 
   private canAutoActivatePane(state: WindowState): boolean {
     if (!this.isIsolated()) return true
-    return state.windowActive && state.sessionAttached
+    return state.windowActive === true && state.sessionAttached === true
   }
 
   private async closeTrackedSessionPane(args: {