diff --git a/src/posix/cocoa/i_common.h b/src/posix/cocoa/i_common.h
index 9cedb0262..0fc46e377 100644
--- a/src/posix/cocoa/i_common.h
+++ b/src/posix/cocoa/i_common.h
@@ -184,14 +184,19 @@ typedef NSInteger NSApplicationActivationPolicy;
 - (void)setWantsBestResolutionOpenGLSurface:(BOOL)flag;
 @end
 
+@interface NSView(Compatibility)
+- (NSRect)convertRectToBacking:(NSRect)aRect;
+@end
+
 @interface NSScreen(HiDPIStubs)
 - (NSRect)convertRectToBacking:(NSRect)aRect;
 @end
 
 static const NSWindowCollectionBehavior NSWindowCollectionBehaviorFullScreenAuxiliary = NSWindowCollectionBehavior(1 << 8);
 
-static const NSOpenGLPixelFormatAttribute NSOpenGLPFAOpenGLProfile(96);
-static const NSOpenGLPixelFormatAttribute NSOpenGLProfileVersion3_2Core(0x3200);
+static const auto NSOpenGLPFAOpenGLProfile = NSOpenGLPixelFormatAttribute(96);
+static const auto NSOpenGLProfileVersionLegacy = NSOpenGLPixelFormatAttribute(0x1000);
+static const auto NSOpenGLProfileVersion3_2Core = NSOpenGLPixelFormatAttribute(0x3200);
 
 #endif // prior to 10.7
 
diff --git a/src/posix/cocoa/i_video.mm b/src/posix/cocoa/i_video.mm
index 08a563b25..2ee7458a8 100644
--- a/src/posix/cocoa/i_video.mm
+++ b/src/posix/cocoa/i_video.mm
@@ -69,6 +69,19 @@
 #undef Class
 
 
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 1070
+
+@implementation NSView(Compatibility)
+
+- (NSRect)convertRectToBacking:(NSRect)aRect
+{
+	return [self convertRect:aRect toView:[self superview]];
+}
+
+@end
+
+#endif // prior to 10.7
+
 @implementation NSWindow(ExitAppOnClose)
 
 - (void)exitAppOnClose