diff --git a/dlls/winemac.drv/systray.c b/dlls/winemac.drv/systray.c
index 75bca5e3d51..d026f0b970b 100644
--- a/dlls/winemac.drv/systray.c
+++ b/dlls/winemac.drv/systray.c
@@ -290,7 +290,7 @@ static BOOL notify_owner(struct tray_icon *icon, UINT msg, int x, int y)
     }
 
     TRACE("posting msg 0x%04x to hwnd %p id 0x%x\n", msg, icon->owner, icon->id);
-    if (!PostMessageW(icon->owner, icon->callback_message, wp, lp) &&
+    if (!SendNotifyMessageW(icon->owner, icon->callback_message, wp, lp) &&
         (GetLastError() == ERROR_INVALID_WINDOW_HANDLE))
     {
         WARN("window %p was destroyed, removing icon 0x%x\n", icon->owner, icon->id);