diff --git a/src/rendering/swrenderer/viewport/r_spritedrawer.cpp b/src/rendering/swrenderer/viewport/r_spritedrawer.cpp
index 99a7eb997c..9a0586076d 100644
--- a/src/rendering/swrenderer/viewport/r_spritedrawer.cpp
+++ b/src/rendering/swrenderer/viewport/r_spritedrawer.cpp
@@ -139,6 +139,9 @@ namespace swrenderer
 		int texwidth = tex->GetPhysicalWidth();
 		int texheight = tex->GetPhysicalHeight();
 
+		dc_viewport = thread->Viewport.get();
+		dc_textureheight = texheight;
+
 		vstepY *= texheight;
 
 		for (int x = sx0; x < sx1; x++)