diff --git a/src/renderer/sw_engine/tvgSwRasterTexmap.h b/src/renderer/sw_engine/tvgSwRasterTexmap.h
index 04e382b8..b56b39b5 100644
--- a/src/renderer/sw_engine/tvgSwRasterTexmap.h
+++ b/src/renderer/sw_engine/tvgSwRasterTexmap.h
@@ -821,8 +821,8 @@ static void _rasterPolygonImage(SwSurface* surface, const SwImage* image, const
 
 static AASpans* _AASpans(float ymin, float ymax, const SwImage* image, const SwBBox* region)
 {
-    auto yStart = static_cast<int32_t>(ymin);
-    auto yEnd = static_cast<int32_t>(ymax);
+    auto yStart = static_cast<int>(ymin);
+    auto yEnd = static_cast<int>(ymax);
 
     if (!_arrange(image, region, yStart, yEnd)) return nullptr;