diff --git a/src/blitter/32bpp_optimized.cpp b/src/blitter/32bpp_optimized.cpp
--- a/src/blitter/32bpp_optimized.cpp
+++ b/src/blitter/32bpp_optimized.cpp
@@ -293,7 +293,7 @@ template <bool Tpal_to_rgb> Sprite *Blit
 	ZoomLevel zoom_min;
 	ZoomLevel zoom_max;
 
-	if (sprite->type == ST_FONT) {
+	if (sprite->type == SpriteType::Font) {
 		zoom_min = ZOOM_LVL_NORMAL;
 		zoom_max = ZOOM_LVL_NORMAL;
 	} else {