diff --git a/src/SFML/Window/OSX/SFWindowController.mm b/src/SFML/Window/OSX/SFWindowController.mm
index 47f0caf4..d6cb3003 100644
--- a/src/SFML/Window/OSX/SFWindowController.mm
+++ b/src/SFML/Window/OSX/SFWindowController.mm
@@ -630,8 +630,7 @@
     NSDictionary* deviceDescription = [[m_window screen] deviceDescription];
     NSNumber* screenNumber = [deviceDescription valueForKey:@"NSScreenNumber"];
     CGDirectDisplayID screenID = static_cast<CGDirectDisplayID>([screenNumber intValue]);
-    CGFloat height = CGDisplayPixelsHigh(screenID);
-    return static_cast<float>(height);
+    return static_cast<float>(CGDisplayPixelsHigh(screenID));
 }