diff --git a/src/posix/cocoa/i_common.h b/src/posix/cocoa/i_common.h
index 081466e87..545540b2f 100644
--- a/src/posix/cocoa/i_common.h
+++ b/src/posix/cocoa/i_common.h
@@ -128,6 +128,8 @@ enum
 	kVK_UpArrow       = 0x7E
 };
 
+static const NSOpenGLPixelFormatAttribute NSOpenGLPFAAllowOfflineRenderers = NSOpenGLPixelFormatAttribute(96);
+
 #endif // prior to 10.5