diff --git a/src/osx/mod.rs b/src/osx/mod.rs
index 0cb45534..a8cc3acf 100644
--- a/src/osx/mod.rs
+++ b/src/osx/mod.rs
@@ -184,11 +184,13 @@ impl Window {
             } else {
                 let title = NSString::alloc(nil).init_str(title);
                 window.setTitle_(title);
-                window.center();
                 window.setAcceptsMouseMovedEvents_(true);
                 if monitor.is_some() {
                     window.setLevel_(NSMainMenuWindowLevel as i64 + 1);
                 }
+                else {
+                    window.center();
+                }
                 Some(window)
             }
         }