diff --git a/src/richtext/richtextstyles.cpp b/src/richtext/richtextstyles.cpp
index da627387e2..38e5553150 100644
--- a/src/richtext/richtextstyles.cpp
+++ b/src/richtext/richtextstyles.cpp
@@ -955,8 +955,10 @@ wxRichTextCtrl* wxRichTextStyleListCtrl::GetRichTextCtrl() const
 /// Set/get the style type to display
 void wxRichTextStyleListCtrl::SetStyleType(wxRichTextStyleListBox::wxRichTextStyleType styleType)
 {
-    if (m_styleListBox)
-        m_styleListBox->SetStyleType(styleType);
+    if ( !m_styleListBox )
+        return;
+
+    m_styleListBox->SetStyleType(styleType);
 
     m_dontUpdate = true;