diff --git a/neo/renderer/VertexCache.h b/neo/renderer/VertexCache.h
index 796c2775..9341a747 100644
--- a/neo/renderer/VertexCache.h
+++ b/neo/renderer/VertexCache.h
@@ -42,7 +42,7 @@ typedef struct vertCache_s {
 	void			*virtMem;			// only one of vbo / virtMem will be set
 	bool			indexBuffer;		// holds indexes instead of vertexes
 
-	int				offset;
+	intptr_t		offset;
 	int				size;				// may be larger than the amount asked for, due
 										// to round up and minimum fragment sizes
 	int				tag;				// a tag of 0 is a free block