1 files changed, 1 insertions, 0 deletions
diff --git a/server/src/queryhandler.h b/server/src/queryhandler.h
index 2b67c24..4aff292 100644
--- a/server/src/queryhandler.h
+++ b/server/src/queryhandler.h
@@ -39,6 +39,7 @@
 class QueryHandler {
 public:
   QueryHandler() {}
+  virtual ~QueryHandler() {}
 
   // Execute all queries.
   virtual QueryResult exec(Query &query) = 0;