diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 38b8ef1..f7f942f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -5674,6 +5674,7 @@
                     return nullptr;
                 }();
 
+                mDebugDisplayModeSetByBackdoor = false;
                 const status_t result = setActiveMode(display, modeId);
                 mDebugDisplayModeSetByBackdoor = result == NO_ERROR;
                 return result;