diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp
index 3c52471d57..72e831f69d 100644
--- a/src/gtk/scrolwin.cpp
+++ b/src/gtk/scrolwin.cpp
@@ -118,7 +118,8 @@ void wxScrollHelperNative::AdjustScrollbars()
     int w, h;
     int vw, vh;
 
-    m_targetWindow->m_hasScrolling = m_xScrollPixelsPerLine != 0 || m_yScrollPixelsPerLine != 0;
+    // this flag indicates which window has the scrollbars
+    m_win->m_hasScrolling = m_xScrollPixelsPerLine != 0 || m_yScrollPixelsPerLine != 0;
 
     m_targetWindow->GetVirtualSize( &vw, &vh );
 
diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index a83c1c551e..2db80f3896 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -3019,9 +3019,7 @@ void wxWindowGTK::DoGetClientSize( int *width, int *height ) const
         int dh = 0;
 
         if (m_hasScrolling)
-        {
             GetScrollbarWidth(m_widget, dw, dh);
-        }
 
 #ifndef __WXUNIVERSAL__
         if (HasFlag(wxRAISED_BORDER) || HasFlag(wxSUNKEN_BORDER))