diff --git a/include/wx/gtk/notebook.h b/include/wx/gtk/notebook.h
index 5d6abe9932..ec9ce37371 100644
--- a/include/wx/gtk/notebook.h
+++ b/include/wx/gtk/notebook.h
@@ -122,12 +122,15 @@ public:
     // selection internally instead of querying the notebook for it
     int m_selection;
 
+    // flag set to TRUE while we're inside "switch_page" callback
+    bool m_inSwitchPage;
+
 protected:
     // remove one page from the notebook but do not destroy it
     virtual wxNotebookPage *DoRemovePage(int nPage);
 
 private:
-
+    // the padding set by SetPadding()
     int m_padding;
 
     DECLARE_DYNAMIC_CLASS(wxNotebook)
diff --git a/include/wx/gtk1/notebook.h b/include/wx/gtk1/notebook.h
index 5d6abe9932..ec9ce37371 100644
--- a/include/wx/gtk1/notebook.h
+++ b/include/wx/gtk1/notebook.h
@@ -122,12 +122,15 @@ public:
     // selection internally instead of querying the notebook for it
     int m_selection;
 
+    // flag set to TRUE while we're inside "switch_page" callback
+    bool m_inSwitchPage;
+
 protected:
     // remove one page from the notebook but do not destroy it
     virtual wxNotebookPage *DoRemovePage(int nPage);
 
 private:
-
+    // the padding set by SetPadding()
     int m_padding;
 
     DECLARE_DYNAMIC_CLASS(wxNotebook)
diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index fe5e541720..4439cbae46 100644
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -86,14 +86,12 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
                                               gint page,
                                               wxNotebook *notebook )
 {
-    static bool s_inPageChange = FALSE;
-
     // are you trying to call SetSelection() from a notebook event handler?
     // you shouldn't!
-    wxCHECK_RET( !s_inPageChange,
+    wxCHECK_RET( !notebook->m_inSwitchPage,
                  _T("gtk_notebook_page_change_callback reentered") );
 
-    s_inPageChange = TRUE;
+    notebook->m_inSwitchPage = TRUE;
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -123,7 +121,7 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
         notebook->GetEventHandler()->ProcessEvent( eventChanged );
     }
 
-    s_inPageChange = FALSE;
+    notebook->m_inSwitchPage = FALSE;
 }
 
 //-----------------------------------------------------------------------------
@@ -236,6 +234,8 @@ END_EVENT_TABLE()
 void wxNotebook::Init()
 {
     m_padding = 0;
+    m_inSwitchPage = FALSE;
+
     m_imageList = (wxImageList *) NULL;
     m_pagesData.DeleteContents( TRUE );
     m_selection = -1;
diff --git a/src/gtk1/notebook.cpp b/src/gtk1/notebook.cpp
index fe5e541720..4439cbae46 100644
--- a/src/gtk1/notebook.cpp
+++ b/src/gtk1/notebook.cpp
@@ -86,14 +86,12 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
                                               gint page,
                                               wxNotebook *notebook )
 {
-    static bool s_inPageChange = FALSE;
-
     // are you trying to call SetSelection() from a notebook event handler?
     // you shouldn't!
-    wxCHECK_RET( !s_inPageChange,
+    wxCHECK_RET( !notebook->m_inSwitchPage,
                  _T("gtk_notebook_page_change_callback reentered") );
 
-    s_inPageChange = TRUE;
+    notebook->m_inSwitchPage = TRUE;
     if (g_isIdle)
         wxapp_install_idle_handler();
 
@@ -123,7 +121,7 @@ static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
         notebook->GetEventHandler()->ProcessEvent( eventChanged );
     }
 
-    s_inPageChange = FALSE;
+    notebook->m_inSwitchPage = FALSE;
 }
 
 //-----------------------------------------------------------------------------
@@ -236,6 +234,8 @@ END_EVENT_TABLE()
 void wxNotebook::Init()
 {
     m_padding = 0;
+    m_inSwitchPage = FALSE;
+
     m_imageList = (wxImageList *) NULL;
     m_pagesData.DeleteContents( TRUE );
     m_selection = -1;