diff --git a/SourceX/DiabloUI/art.cpp b/SourceX/DiabloUI/art.cpp
index 8f77eea73..68839a61c 100644
--- a/SourceX/DiabloUI/art.cpp
+++ b/SourceX/DiabloUI/art.cpp
@@ -57,7 +57,8 @@ void LoadMaskedArt(const char *pszFile, Art *art, int frames, int mask)
 void LoadArt(Art *art, const BYTE *artData, int w, int h, int frames)
 {
 	art->frames = frames;
-	art->surface = SDL_CreateRGBSurfaceWithFormatFrom((char *)artData, w, h, 8, w, SDL_PIXELFORMAT_INDEX8);
+	art->surface = SDL_CreateRGBSurfaceWithFormatFrom(
+		const_cast<BYTE *>(artData), w, h, 8, w, SDL_PIXELFORMAT_INDEX8);
 	art->frame_height = h / frames;
 }