diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 85b6f2a..0085cb2 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -128,6 +128,9 @@
     static int64_t vsyncPhaseOffsetNs;
     static int64_t sfVsyncPhaseOffsetNs;
 
+    // If fences from sync Framework are supported.
+    static bool hasSyncFramework;
+
     // Instruct the Render Engine to use EGL_IMG_context_priority is available.
     static bool useContextPriority;