diff --git a/src/SFML/Window/OSX/SFOpenGLView.mm b/src/SFML/Window/OSX/SFOpenGLView.mm
index 38cfd45d..9631ac44 100644
--- a/src/SFML/Window/OSX/SFOpenGLView.mm
+++ b/src/SFML/Window/OSX/SFOpenGLView.mm
@@ -187,7 +187,7 @@
 	
 	NSPoint loc = [self convertPoint:[theEvent locationInWindow] fromView:nil];
 	// Don't forget to change to SFML coord system.
-	float h = [[theEvent window] frame].size.height;
+	float h = [self frame].size.height;
 	myRequester->MouseMovedAt(loc.x, h - loc.y);
 }