diff --git a/src/servers/app/server/ServerWindow.h b/src/servers/app/server/ServerWindow.h
index 7141dd6e9f..4c43e29f10 100644
--- a/src/servers/app/server/ServerWindow.h
+++ b/src/servers/app/server/ServerWindow.h
@@ -97,7 +97,7 @@ protected:
 	PortLink *_winlink,*_applink;
 	BLocker _locker;
 	BRect _frame;
-	uint8 _hidecount;
+	bool _hidecount;
 	uint32 _token;
 };