diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 44fb41d769..3f8bd5c12b 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1273,7 +1273,9 @@ void wxWindowMSW::OnIdle(wxIdleEvent& WXUNUSED(event))
     // Check if we need to send a LEAVE event
     if ( m_mouseInWindow )
     {
-        if ( !IsMouseInWindow() && !HasCapture())
+        // note that we should generate the leave event whether the window has
+        // or doesn't have mouse capture
+        if ( !IsMouseInWindow() )
         {
             // Generate a LEAVE event
             m_mouseInWindow = FALSE;