diff --git a/src/video/SDL_surface.c b/src/video/SDL_surface.c
index 962e1b443..cd761f4b7 100644
--- a/src/video/SDL_surface.c
+++ b/src/video/SDL_surface.c
@@ -961,7 +961,7 @@ int SDL_ConvertPixels(int width, int height,
     rect.x = 0;
     rect.y = 0;
     rect.w = width;
-    rect.h = width;
+    rect.h = height;
     return SDL_LowerBlit(&src_surface, &rect, &dst_surface, &rect);
 }