diff --git a/lib/hdb/hdb-ldap.c b/lib/hdb/hdb-ldap.c
index 3e781466a..77ea23a6b 100644
--- a/lib/hdb/hdb-ldap.c
+++ b/lib/hdb/hdb-ldap.c
@@ -1831,6 +1831,7 @@ hdb_ldap_common(krb5_context context,
 
     (*db)->hdb_master_key_set = 0;
     (*db)->hdb_openp = 0;
+    (*db)->hdb_capability_flags = 0;
     (*db)->hdb_open = LDAP_open;
     (*db)->hdb_close = LDAP_close;
     (*db)->hdb_fetch = LDAP_fetch;