diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index e2fdf96..11fce05 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -178,6 +178,8 @@
     maxFrameBufferAcquiredBuffers = getInt64< ISurfaceFlingerConfigs,
             &ISurfaceFlingerConfigs::maxFrameBufferAcquiredBuffers>(2);
 
+    mPrimaryDispSync.init(hasSyncFramework, dispSyncPresentTimeOffset);
+
     char value[PROPERTY_VALUE_MAX];
 
     property_get("ro.bq.gpu_to_cpu_unsupported", value, "0");