diff --git a/include/sqlpp11/functions.h b/include/sqlpp11/functions.h
index acf0e680..eadd33c6 100644
--- a/include/sqlpp11/functions.h
+++ b/include/sqlpp11/functions.h
@@ -130,9 +130,15 @@ namespace sqlpp
     return {c};
   }
 
-  template <typename T>
-  constexpr const char* get_sql_name(const T& /*unused*/)
-  {
-    return name_of<T>::template char_ptr<void>();
+  template <typename T>
+  constexpr const char* get_sql_name()
+  {
+    return name_of<T>::template char_ptr<void>();
+  }
+
+  template <typename T>
+  constexpr const char* get_sql_name(const T& /*unused*/)
+  {
+    return get_sql_name<T>();
   }
 }  // namespace sqlpp