diff --git a/src/mainwin.h b/src/mainwin.h
index f96da04bd5d8e672c0601294b370730f9ff825c7..fd41ea3c71e25813a9f2bb2d5cf6118a9814150c 100644
--- a/src/mainwin.h
+++ b/src/mainwin.h
@@ -69,7 +69,7 @@ class MainWin : public SkylivexWin
       WebWin* yt;             // a pointer to the special (singleton) Youtube window (if exists)
       bool yt_is_open;        // a boolean to indicate if the Youtube window is open
 #if defined(Q_OS_MAC)
-      bool yt_if_fallback;
+      bool yt_is_fallback;
 #endif
       void handle_corestarted(SKMessage &msg);
       void handle_connected(SKMessage &msg);