diff --git a/libraries/libldbm/ldbm.c b/libraries/libldbm/ldbm.c
index 951e06b276..aa60c860e9 100644
--- a/libraries/libldbm/ldbm.c
+++ b/libraries/libldbm/ldbm.c
@@ -121,6 +121,9 @@ int ldbm_initialize( void )
 #endif
 
 	envFlags = 
+#if defined( DB_PRIVATE )
+		DB_PRIVATE |
+#endif
 #if defined( HAVE_BERKELEY_DB_THREAD )
 		DB_THREAD |
 #endif