diff --git a/include/wx/gtk/scrolwin.h b/include/wx/gtk/scrolwin.h
index 5e86b9f26a..8209f2d61a 100644
--- a/include/wx/gtk/scrolwin.h
+++ b/include/wx/gtk/scrolwin.h
@@ -63,7 +63,7 @@ public:
     // the area between the scrollbars (spreadsheet: only cell area
     // will move).
     virtual void SetTargetWindow( wxWindow *target, bool pushEventHandler = FALSE );
-    virtual wxWindow *GetTargetWindow();
+    virtual wxWindow *GetTargetWindow() const;
 
     // Set the scrolled area of the window.
     virtual void DoSetVirtualSize( int x, int y );
diff --git a/include/wx/gtk1/scrolwin.h b/include/wx/gtk1/scrolwin.h
index 5e86b9f26a..8209f2d61a 100644
--- a/include/wx/gtk1/scrolwin.h
+++ b/include/wx/gtk1/scrolwin.h
@@ -63,7 +63,7 @@ public:
     // the area between the scrollbars (spreadsheet: only cell area
     // will move).
     virtual void SetTargetWindow( wxWindow *target, bool pushEventHandler = FALSE );
-    virtual wxWindow *GetTargetWindow();
+    virtual wxWindow *GetTargetWindow() const;
 
     // Set the scrolled area of the window.
     virtual void DoSetVirtualSize( int x, int y );
diff --git a/src/gtk/scrolwin.cpp b/src/gtk/scrolwin.cpp
index 9232d1e543..8a302f507b 100644
--- a/src/gtk/scrolwin.cpp
+++ b/src/gtk/scrolwin.cpp
@@ -442,7 +442,7 @@ void wxScrolledWindow::SetTargetWindow( wxWindow *target, bool WXUNUSED(pushEven
     m_targetWindow = target;
 }
 
-wxWindow *wxScrolledWindow::GetTargetWindow()
+wxWindow *wxScrolledWindow::GetTargetWindow() const
 {
     return m_targetWindow;
 }
diff --git a/src/gtk1/scrolwin.cpp b/src/gtk1/scrolwin.cpp
index 9232d1e543..8a302f507b 100644
--- a/src/gtk1/scrolwin.cpp
+++ b/src/gtk1/scrolwin.cpp
@@ -442,7 +442,7 @@ void wxScrolledWindow::SetTargetWindow( wxWindow *target, bool WXUNUSED(pushEven
     m_targetWindow = target;
 }
 
-wxWindow *wxScrolledWindow::GetTargetWindow()
+wxWindow *wxScrolledWindow::GetTargetWindow() const
 {
     return m_targetWindow;
 }