--- hatari/src/convert/high640x8.c	2019/04/01 07:13:53	1.1.1.5
+++ hatari/src/convert/high640x8.c	2019/04/09 08:47:30	1.1.1.6
@@ -33,7 +33,7 @@ static void ConvertHighRes_640x8Bit(void
 
 			if (update || ebx != *ebp)  /* Does differ? */
 			{
-				bScreenContentsChanged = TRUE;
+				bScreenContentsChanged = true;
 
 #if SDL_BYTEORDER == SDL_BIG_ENDIAN
 				/* Plot in 'right-order' on big endian systems */