diff --git a/drmcompositorworker.h b/drmcompositorworker.h
index 00e14ee..731bc65 100644
--- a/drmcompositorworker.h
+++ b/drmcompositorworker.h
@@ -34,6 +34,7 @@
   void Routine() override;
 
   DrmDisplayCompositor *compositor_;
+  bool did_squash_all_ = false;
 };
 }