- // this invalidates the size request
- gtk_label_set_line_wrap( GTK_LABEL(m_widget), TRUE );
- gtk_label_set_line_wrap( GTK_LABEL(m_widget), FALSE );
+#ifndef __WXGTK20__
+ // This resets the internal GTK1 size calculation, which
+ // otherwise would be cashed (incorrectly)
+ gtk_label_set_pattern( GTK_LABEL(m_widget), NULL );
+#endif