diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index aadb98961..c32c0fa3e 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -49,6 +49,10 @@ extern "C" {
 #include <pwd.h>
 
 #import <Cocoa/Cocoa.h>
+#ifdef   __MAC_OS_X_VERSION_MAX_ALLOWED
+#  undef   MAC_OS_X_VERSION_MAX_ALLOWED
+#  define  MAC_OS_X_VERSION_MAX_ALLOWED  __MAC_OS_X_VERSION_MAX_ALLOWED
+#endif
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_15_0
 # import <ScreenCaptureKit/ScreenCaptureKit.h>
 #endif