diff --git a/services/surfaceflinger/SurfaceFlingerProperties.h b/services/surfaceflinger/SurfaceFlingerProperties.h
index 4c6e191..12c711a 100644
--- a/services/surfaceflinger/SurfaceFlingerProperties.h
+++ b/services/surfaceflinger/SurfaceFlingerProperties.h
@@ -89,6 +89,8 @@
 
 bool use_frame_rate_api(bool defaultValue);
 
+int32_t display_update_imminent_timeout_ms(int32_t defaultValue);
+
 android::ui::DisplayPrimaries getDisplayNativePrimaries();
 } // namespace sysprop
 } // namespace android