diff --git a/src/video/cocoa/cocoa_v.h b/src/video/cocoa/cocoa_v.h
index 2614eef537..dc0bbeecc4 100644
--- a/src/video/cocoa/cocoa_v.h
+++ b/src/video/cocoa/cocoa_v.h
@@ -271,6 +271,7 @@ uint QZ_ListModes(OTTD_Point *modes, uint max_modes, CGDirectDisplayID display_i
 
 - (BOOL)windowShouldClose:(id)sender;
 - (void)windowDidEnterFullScreen:(NSNotification *)aNotification;
+- (void)windowDidChangeScreenProfile:(NSNotification *)aNotification;
 @end
 
 
diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm
index 17bca028ba..afbca6501a 100644
--- a/src/video/cocoa/cocoa_v.mm
+++ b/src/video/cocoa/cocoa_v.mm
@@ -1360,6 +1360,11 @@ static const char *Utf8AdvanceByUtf16Units(const char *str, NSUInteger count)
 		[ e release ];
 	}
 }
+/** The colour profile of the screen the window is on changed. */
+- (void)windowDidChangeScreenProfile:(NSNotification *)aNotification
+{
+	if (!driver->setup) driver->WindowResized();
+}
 
 @end