diff --git a/include/etl/utility.h b/include/etl/utility.h
index 5f600f2f..b08ac571 100644
--- a/include/etl/utility.h
+++ b/include/etl/utility.h
@@ -163,7 +163,7 @@ namespace etl
   }
 #endif
 
-#if defined(ETL_NO_STL)
+#if defined(ETL_NO_STL) || !ETL_CPP14_SUPPORTED
   //***************************************************************************
   /// exchange (const)
   //***************************************************************************