diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 834c8b6..7c5b0ce 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -492,7 +492,7 @@
 
     // Implements ISurfaceComposer
     sp<IBinder> createDisplay(const String8& displayName, bool secure,
-                              float requestedRefreshRate = 0);
+                              float requestedRefreshRate = 0.0f);
     void destroyDisplay(const sp<IBinder>& displayToken);
     std::vector<PhysicalDisplayId> getPhysicalDisplayIds() const EXCLUDES(mStateLock) {
         Mutex::Autolock lock(mStateLock);