diff --git a/source/libs/tdb/test/tdbTest.cpp b/source/libs/tdb/test/tdbTest.cpp
index 79532d07b7..cca2082e53 100644
--- a/source/libs/tdb/test/tdbTest.cpp
+++ b/source/libs/tdb/test/tdbTest.cpp
@@ -6,7 +6,7 @@ TEST(tdb_test, simple_test) {
   int    ret;
   STEnv *pEnv;
   STDb  *pDb;
-  int    nData = 200000;
+  int    nData = 160511;
 
   // Open Env
   ret = tdbEnvOpen("tdb", 1024, 25600, &pEnv);