diff --git a/Cantera/src/kinetics/ReactionData.h b/Cantera/src/kinetics/ReactionData.h
index 117f650ef..a02d25f8e 100644
--- a/Cantera/src/kinetics/ReactionData.h
+++ b/Cantera/src/kinetics/ReactionData.h
@@ -34,7 +34,7 @@ namespace Cantera {
       isReversibleWithFrac = false;
       beta = 0.0;
     }
-    ~ReactionData(){}
+    virtual ~ReactionData(){}
 
     int reactionType;
     int number;