diff --git a/include/ibm/locks.hpp b/include/ibm/locks.hpp
index cb9191f..162abee 100644
--- a/include/ibm/locks.hpp
+++ b/include/ibm/locks.hpp
@@ -303,7 +303,7 @@
     // we may have found at least one entry with the given session id
     // return the json list of lock records pertaining to the given
     // session id, or send an empty list if lock table is empty
-    return lockList;
+    return {lockList};
 }
 
 inline RcReleaseLockApi Lock::releaseLock(const ListOfTransactionIds& p,