diff --git a/src/libutil/config.hh b/src/libutil/config.hh
index f09a9b0b8..38c3ce0c4 100644
--- a/src/libutil/config.hh
+++ b/src/libutil/config.hh
@@ -312,8 +312,7 @@ public:
 template<typename T>
 std::ostream & operator <<(std::ostream & str, const BaseSetting<T> & opt)
 {
-    str << (const T &) opt;
-    return str;
+    return str << static_cast<const T &>(opt);
 }
 
 template<typename T>