diff --git a/src/spritecache.cpp b/src/spritecache.cpp
index 3c6aef0184..195de14bbc 100644
--- a/src/spritecache.cpp
+++ b/src/spritecache.cpp
@@ -10,7 +10,9 @@
 #include "fileio.h"
 #include "helpers.hpp"
 
-#define SPRITE_CACHE_SIZE 1024*1024
+#ifndef SPRITE_CACHE_SIZE
+# define SPRITE_CACHE_SIZE 2*1024*1024
+#endif /* SPRITE_CACHE_SIZE */
 
 
 typedef struct SpriteCache {