diff --git a/sw/source/filter/ww8/wrtw8sty.cxx b/sw/source/filter/ww8/wrtw8sty.cxx
index 21d11894f2d5..8f127c918781 100644
--- a/sw/source/filter/ww8/wrtw8sty.cxx
+++ b/sw/source/filter/ww8/wrtw8sty.cxx
@@ -324,7 +324,7 @@ void MSWordStyles::BuildStylesTable()
 static OUString StripWWSuffix(const OUString& s)
 {
     OUString ret = s;
-    ret.endsWith(" (WW)", &ret);
+    (void)ret.endsWith(" (WW)", &ret);
     return ret;
 }