diff --git a/internal/ldap/ldap.go b/internal/ldap/ldap.go
index 9481819..10cf0f3 100644
--- a/internal/ldap/ldap.go
+++ b/internal/ldap/ldap.go
@@ -129,6 +129,7 @@ func (l *LDAP) reconnect() error {
 	exp.Reset()
 
 	operation := func() (*ldapgo.Conn, error) {
+		l.Conn.Close()
 		_, err := l.connect()
 		if err != nil {
 			return nil, nil