diff --git a/lib/config.h b/lib/config.h
index c6034d6e6..a0b63990f 100644
--- a/lib/config.h
+++ b/lib/config.h
@@ -24,8 +24,10 @@
   || (defined(__clang__) && (defined (__cplusplus)) && (__cplusplus >= 201103L)) \
   || defined(__CPPCHECK__)
 #  define OVERRIDE override
+#  define FINAL final
 #else
 #  define OVERRIDE
+#  define FINAL
 #endif
 
 // C++11 noexcept
diff --git a/lib/exprengine.cpp b/lib/exprengine.cpp
index 09d02fa7d..11abb0c86 100644
--- a/lib/exprengine.cpp
+++ b/lib/exprengine.cpp
@@ -476,7 +476,7 @@ namespace {
             }
         }
 
-        std::string getNewSymbolName() OVERRIDE {
+        std::string getNewSymbolName() FINAL {
             return "$" + std::to_string(++(*symbolValueIndex));
         }