diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 65bfce2..8242844 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -733,7 +733,7 @@
     // Show hdr sdr ratio overlay
     bool mHdrSdrRatioOverlay = false;
 
-    void setDesiredMode(display::DisplayModeRequest&&);
+    void setDesiredMode(display::DisplayModeRequest&&) REQUIRES(mStateLock);
 
     status_t setActiveModeFromBackdoor(const sp<display::DisplayToken>&, DisplayModeId, Fps minFps,
                                        Fps maxFps);