diff --git a/libraries/liblmdb/CHANGES b/libraries/liblmdb/CHANGES
index d659ff6328..989381a42e 100644
--- a/libraries/liblmdb/CHANGES
+++ b/libraries/liblmdb/CHANGES
@@ -3,6 +3,7 @@ LMDB 0.9 Change Log
 LMDB 0.9.25 Engineering
 	ITS#9068 fix mdb_dump/load backslashes in printable content
 	ITS#9118 add MAP_NOSYNC for FreeBSD
+	ITS#9155 free mt_spill_pgs in non-nested txn on end
 
 LMDB 0.9.24 Release (2019/07/24)
 	ITS#8969 Tweak mdb_page_split
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 3ab38d0970..fe65e30d81 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3027,9 +3027,9 @@ mdb_txn_end(MDB_txn *txn, unsigned mode)
 			txn->mt_parent->mt_flags &= ~MDB_TXN_HAS_CHILD;
 			env->me_pgstate = ((MDB_ntxn *)txn)->mnt_pgstate;
 			mdb_midl_free(txn->mt_free_pgs);
-			mdb_midl_free(txn->mt_spill_pgs);
 			free(txn->mt_u.dirty_list);
 		}
+		mdb_midl_free(txn->mt_spill_pgs);
 
 		mdb_midl_free(pghead);
 	}