diff --git a/include/wx/gtk/textctrl.h b/include/wx/gtk/textctrl.h
index ae58c0bc27..f27d38cfa7 100644
--- a/include/wx/gtk/textctrl.h
+++ b/include/wx/gtk/textctrl.h
@@ -205,8 +205,8 @@ private:
     // the widget used for single line controls
     GtkWidget  *m_text;
 
-    bool        m_modified:1;
-    bool        m_dontMarkDirty:1;
+    bool m_modified;
+    bool m_dontMarkDirty;
 
     int         m_countUpdatesToIgnore;
 
diff --git a/src/gtk/textctrl.cpp b/src/gtk/textctrl.cpp
index ddc0b15918..d12d13b42c 100644
--- a/src/gtk/textctrl.cpp
+++ b/src/gtk/textctrl.cpp
@@ -1042,6 +1042,8 @@ void wxTextCtrl::WriteText( const wxString &text )
 
     // we're changing the text programmatically
     DontMarkDirtyOnNextChange();
+    // make sure marking is re-enabled even if events are suppressed
+    wxON_BLOCK_EXIT_SET(m_dontMarkDirty, false);
 
     // Inserting new text into the control below will emit insert-text signal
     // which assumes that if m_imKeyEvent is set, it is called in response to