diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.mm b/src/plugins/platforms/cocoa/qcocoahelpers.mm
index 7bc8d65..5275133 100644
--- a/src/plugins/platforms/cocoa/qcocoahelpers.mm
+++ b/src/plugins/platforms/cocoa/qcocoahelpers.mm
@@ -573,7 +573,8 @@ CGColorSpaceRef qt_mac_displayColorSpace(const QWidget *widget)
     if ((colorSpace = m_displayColorSpaceHash.value(displayID)))
         return colorSpace;
 
-    colorSpace = CGDisplayCopyColorSpace(displayID);
+    ColorSyncProfileRef system = ColorSyncProfileCreateWithName(kColorSyncGenericRGBProfile);
+    colorSpace = CGColorSpaceCreateWithPlatformColorSpace(system);
     if (colorSpace == 0)
         colorSpace = CGColorSpaceCreateDeviceRGB();