diff --git a/vsyncworker.cpp b/vsyncworker.cpp
index 3ad16fe..3bfe4be 100644
--- a/vsyncworker.cpp
+++ b/vsyncworker.cpp
@@ -35,6 +35,7 @@
     : Worker("vsync", HAL_PRIORITY_URGENT_DISPLAY),
       drm_(NULL),
       display_(-1),
+      enabled_(false),
       last_timestamp_(-1) {
 }