diff --git a/exprtk.hpp b/exprtk.hpp
index b4530ba..4aa2bf9 100644
--- a/exprtk.hpp
+++ b/exprtk.hpp
@@ -21501,6 +21501,7 @@ namespace exprtk
                case details::e_mul : return "*";
                case details::e_div : return "/";
                case details::e_mod : return "%";
+			   case details::e_pow : return "^";
                default             : return "" ;
             }
          }