diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index 71bd4d8ec2..4e86999f34 100644
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -464,7 +464,12 @@ bool wxNotebook::InsertPage( size_t position,
         pageData->m_label, false, false, m_padding);
 
     gtk_widget_show_all(pageData->m_box);
+
+    // Inserting the page may generate selection changing events that are not
+    // expected here: we will send them ourselves below if necessary.
+    g_signal_handlers_block_by_func(m_widget, (void*)switch_page, this);
     gtk_notebook_insert_page(notebook, win->m_widget, pageData->m_box, position);
+    g_signal_handlers_unblock_by_func(m_widget, (void*)switch_page, this);
 
     /* apply current style */
 #ifdef __WXGTK3__