diff --git a/common/rdr/Exception.h b/common/rdr/Exception.h
index 1b92f77..2fdc0a2 100644
--- a/common/rdr/Exception.h
+++ b/common/rdr/Exception.h
@@ -34,6 +34,7 @@
       else
         strcat(str_, "Exception");
     }
+    virtual ~Exception() {}
     virtual const char* str() const { return str_; }
   };