diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 2035b1d9f3..dc090b9114 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -4070,7 +4070,7 @@ void wxWindowGTK::SetWidgetStyle()
     {
 #ifdef __WXGTK20__
         pango_font_description_free( style->font_desc );
-        pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+        style->font_desc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
 #else
         gdk_font_unref( style->font );
         style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );
diff --git a/src/gtk1/window.cpp b/src/gtk1/window.cpp
index 2035b1d9f3..dc090b9114 100644
--- a/src/gtk1/window.cpp
+++ b/src/gtk1/window.cpp
@@ -4070,7 +4070,7 @@ void wxWindowGTK::SetWidgetStyle()
     {
 #ifdef __WXGTK20__
         pango_font_description_free( style->font_desc );
-        pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+        style->font_desc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
 #else
         gdk_font_unref( style->font );
         style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );