diff --git a/vncviewer/OSXPixelBuffer.h b/vncviewer/OSXPixelBuffer.h
index a74830c..e59015e 100644
--- a/vncviewer/OSXPixelBuffer.h
+++ b/vncviewer/OSXPixelBuffer.h
@@ -29,8 +29,8 @@
   void draw(int src_x, int src_y, int x, int y, int w, int h);
 
 protected:
-  // This is really a CGImageRerf, but Apple headers conflict with FLTK
-  void *image;
+  // This is really a CGContextRef, but Apple headers conflict with FLTK
+  void *bitmap;
 };