diff --git a/cui/source/dialogs/cuigaldlg.cxx b/cui/source/dialogs/cuigaldlg.cxx
index e5d4cbc8a353..2c8d085d9594 100644
--- a/cui/source/dialogs/cuigaldlg.cxx
+++ b/cui/source/dialogs/cuigaldlg.cxx
@@ -965,7 +965,7 @@ void TPGalleryThemeProperties::FillFilterList()
      }
 
 #if defined(WNT)
-    if ( aExtensions.Len() > 240 )
+    if (aExtensions.getLength() > 240)
         aExtensions = "*.*";
 #endif