diff --git a/src/video/cocoa/SDL_cocoamodes.m b/src/video/cocoa/SDL_cocoamodes.m
index 020f891e1..51379a3c0 100644
--- a/src/video/cocoa/SDL_cocoamodes.m
+++ b/src/video/cocoa/SDL_cocoamodes.m
@@ -160,7 +160,7 @@ Cocoa_InitModes(_THIS)
         SDL_DisplayMode mode;
         CFDictionaryRef moderef;
 
-        if (CGDisplayIsInMirrorSet(displays[i])) {
+        if (CGDisplayMirrorsDisplay(displays[i]) != kCGNullDirectDisplay) {
             continue;
         }
         moderef = CGDisplayCurrentMode(displays[i]);