diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 5e8ab92..6639440 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1998,7 +1998,7 @@
 }
 
 status_t SurfaceComposerClient::setDisplayBrightness(const sp<IBinder>& displayToken,
-                                                     float brightness) {
+                                                     const gui::DisplayBrightness& brightness) {
     return ComposerService::getComposerService()->setDisplayBrightness(displayToken, brightness);
 }