diff --git a/lam/lib/modules/posixAccount.inc b/lam/lib/modules/posixAccount.inc
index e5f9a73b..67c112fe 100644
--- a/lam/lib/modules/posixAccount.inc
+++ b/lam/lib/modules/posixAccount.inc
@@ -1113,7 +1113,7 @@ class posixAccount extends baseModule implements passwordService {
 		if (isset($this->attributes['uid'][0])) $userName = $this->attributes['uid'][0];
 		$uidInput = new htmlTableExtendedInputField(_("User name"), 'uid', $userName, 'uid');
 		$uidInput->setRequired(true);
-		$uidInput->setFieldMaxLength(50);
+		$uidInput->setFieldMaxLength(100);
 		$return->addElement($uidInput, true);
 		$commonName = '';
 		if (isset($this->attributes['cn'][0])) $commonName = $this->attributes['cn'][0];
diff --git a/lam/lib/modules/posixGroup.inc b/lam/lib/modules/posixGroup.inc
index 5a651fa5..7b56a0dc 100644
--- a/lam/lib/modules/posixGroup.inc
+++ b/lam/lib/modules/posixGroup.inc
@@ -177,7 +177,7 @@ class posixGroup extends baseModule implements passwordService {
 			}
 			$cnInput = new htmlTableExtendedInputField(_("Group name"), 'cn', $cn, 'cn');
 			$cnInput->setRequired(true);
-			$cnInput->setFieldMaxLength(30);
+			$cnInput->setFieldMaxLength(100);
 			$return->addElement($cnInput, true);
 		}
 		// GID number