diff --git a/ndb/include/ndbapi/NdbTransaction.hpp b/ndb/include/ndbapi/NdbTransaction.hpp
index a6ba6a11c4d6c50e1e6054e98c65571e2ed5beda..8e4d8d9ea7f0672b60d102657319c5d59d7d30b5 100644
--- a/ndb/include/ndbapi/NdbTransaction.hpp
+++ b/ndb/include/ndbapi/NdbTransaction.hpp
@@ -140,6 +140,7 @@ class NdbTransaction
   friend class NdbIndexOperation;
   friend class NdbIndexScanOperation;
   friend class NdbBlob;
+  friend class ha_ndbcluster;
 #endif
 
 public: