diff -r 687400b595ab src/video/uikit/SDL_uikitopenglview.m
--- a/src/video/uikit/SDL_uikitopenglview.m	Sat Nov 19 19:23:33 2011 -0500
+++ b/src/video/uikit/SDL_uikitopenglview.m	Sun Nov 20 18:22:30 2011 +0100
@@ -80,7 +80,7 @@
 
         // !!! FIXME: use the screen this is on!
         /* Use the main screen scale (for retina display support) */
-        if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
+        if ([self respondsToSelector:@selector(contentScaleFactor)])
             self.contentScaleFactor = [UIScreen mainScreen].scale;
 
         /* create the buffers */