diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 583b469877..a18ed12377 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -1288,7 +1288,9 @@ template<typename T> void InitMouseEvent(wxWindowGTK *win,
         // origin in the upper right corner
         int virtual_width = win->GetVirtualSize().x;
         int window_width = gtk_pizza_get_rtl_offset( GTK_PIZZA(win->m_wxwindow) );
-        event.m_x = wxMax( virtual_width, window_width ) - event.m_x;
+        //wxPrintf( wxT("event.m_x %d virtual_width %d window_width %d m_xoffset %d\n"), 
+        //              event.m_x, virtual_width, window_width, GTK_PIZZA(win->m_wxwindow)->m_xoffset );
+        event.m_x = window_width - event.m_x;
     }
 
     event.SetEventObject( win );