diff --git a/Net/LDAP2/Entry.php b/Net/LDAP2/Entry.php
index 5eb8574..ed3c6f5 100644
--- a/Net/LDAP2/Entry.php
+++ b/Net/LDAP2/Entry.php
@@ -877,7 +877,7 @@ public function update($deleteoldrdn = true, $ldap = null)
         }
 
         // COMMIT
-        if (false === @ldap_modify($link, $this->dn(), $modifications)) {
+        if ($modifications && false === @ldap_modify($link, $this->dn(), $modifications)) {
             return PEAR::raiseError("Could not modify the entry: " . @ldap_error($link), @ldap_errno($link));
         }