1 files changed, 1 insertions, 1 deletions

diff --git a/src/hashfunctioncasestring.h b/src/hashfunctioncasestring.h
index 9ca3d48..7816a1b 100644
--- a/src/hashfunctioncasestring.h
+++ b/src/hashfunctioncasestring.h
@@ -20,7 +20,7 @@ public:
         /**
          * Standard Deconstructor.
          */
-        ~HashFunctionCaseString();
+        virtual ~HashFunctionCaseString();
         unsigned long int hash( const void *id );
         bool cmpIDs( const void *id1, const void *id2 );
 };