diff --git a/src/richtext/richtextbuffer.cpp b/src/richtext/richtextbuffer.cpp
index becf518c81..af4fd26110 100644
--- a/src/richtext/richtextbuffer.cpp
+++ b/src/richtext/richtextbuffer.cpp
@@ -60,6 +60,7 @@ inline void wxCheckSetFont(wxDC& dc, const wxFont& font)
             font1.GetFamily() == font.GetFamily() &&
             font1.GetStyle() == font.GetStyle() &&
             font1.GetWeight() == font.GetWeight() &&
+            font1.GetUnderlined() == font.GetUnderlined() &&
             font1.GetFaceName() == font.GetFaceName())
             return;
     }