diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index c1c1a2d9d3..6b0b569e00 100644
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -654,7 +654,7 @@ bool wxNotebook::InsertPage( size_t position,
     if ( position == GetPageCount() )
         m_pagesData.Append( nb_page );
     else
-        m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
+        m_pagesData.Insert( position, nb_page );
 
     m_pages.Insert(win, position);
 
diff --git a/src/gtk1/notebook.cpp b/src/gtk1/notebook.cpp
index c1c1a2d9d3..6b0b569e00 100644
--- a/src/gtk1/notebook.cpp
+++ b/src/gtk1/notebook.cpp
@@ -654,7 +654,7 @@ bool wxNotebook::InsertPage( size_t position,
     if ( position == GetPageCount() )
         m_pagesData.Append( nb_page );
     else
-        m_pagesData.Insert( m_pagesData.Item( position ), nb_page );
+        m_pagesData.Insert( position, nb_page );
 
     m_pages.Insert(win, position);