diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h
index 0d07b2b919..4181308152 100644
--- a/libswscale/swscale_internal.h
+++ b/libswscale/swscale_internal.h
@@ -39,8 +39,8 @@
 
 #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long
 
-#define YUVRGB_TABLE_HEADROOM 256
-#define YUVRGB_TABLE_LUMA_HEADROOM 0
+#define YUVRGB_TABLE_HEADROOM 512
+#define YUVRGB_TABLE_LUMA_HEADROOM 512
 
 #define MAX_FILTER_SIZE SWS_MAX_FILTER_SIZE