diff --git a/lam/lib/modules.inc b/lam/lib/modules.inc
index e8f4ea7f..d865e3f1 100644
--- a/lam/lib/modules.inc
+++ b/lam/lib/modules.inc
@@ -424,7 +424,7 @@ function buildUploadAccounts($scope, $data, $ids) {
 	// give raw data to modules
 	$errors = array();
 	$partialAccounts = array();
-	for ($i = 0; $i < sizeof($data); $i++) $partialAccounts[$i]['objectClasses'] = array();
+	for ($i = 0; $i < sizeof($data); $i++) $partialAccounts[$i]['objectClass'] = array();
 	for ($i = 0; $i < sizeof($ordered); $i++) {
 		$module = new $ordered[$i]($scope);
 		$errors = $module->build_uploadAccounts($data, $ids, $partialAccounts);
diff --git a/lam/lib/modules/posixGroup.inc b/lam/lib/modules/posixGroup.inc
index edfde0f6..54e48485 100644
--- a/lam/lib/modules/posixGroup.inc
+++ b/lam/lib/modules/posixGroup.inc
@@ -55,7 +55,7 @@ class posixGroup extends baseModule {
 	function build_uploadAccounts($rawAccounts, $ids, &$partialAccounts) {
 		$errors = array();
 		for ($i = 0; $i < sizeof($rawAccounts); $i++) {
-			if (!in_array("posixGroup", $partialAccounts[$i]['objectClasses'])) $partialAccounts[$i]['objectClasses'][] = "posixGroup";
+			if (!in_array("posixGroup", $partialAccounts[$i]['objectClass'])) $partialAccounts[$i]['objectClass'][] = "posixGroup";
 			if (eregi(".*", $rawAccounts[$i][$ids['posixGroup_cn']])) {  // TODO use real regex for group name
 				$partialAccounts[$i]['cn'] = $rawAccounts[$i][$ids['posixGroup_cn']];
 			}