diff --git a/uYouPlus.h b/uYouPlus.h
index 40b5e68..b8ccec6 100644
--- a/uYouPlus.h
+++ b/uYouPlus.h
@@ -39,6 +39,7 @@
 #define YT_BUNDLE_ID @"com.google.ios.youtube"
 #define YT_NAME @"YouTube"
 #define DEFAULT_RATE 1.0f // YTSpeed
+#define LOWCONTRASTMODE_CUTOFF_VERSION @"17.38.10" // LowContrastMode
 
 @interface YTSingleVideoController ()
 - (float)playbackRate;