1 files changed, 3 insertions, 0 deletions
diff --git a/src/cli/cli_exceptions.h b/src/cli/cli_exceptions.h
index ed7be3137..38459b8dd 100644
--- a/src/cli/cli_exceptions.h
+++ b/src/cli/cli_exceptions.h
@@ -34,6 +34,9 @@ class CLI_Usage_Error : public CLI_Error
 class CLI_Error_Unsupported : public CLI_Error
    {
    public:
+
+      CLI_Error_Unsupported(const std::string& msg) : CLI_Error(msg) {}
+
       CLI_Error_Unsupported(const std::string& what,
                             const std::string& who)
          : CLI_Error(what + " with '" + who + "' unsupported or not available") {}