diff --git a/apps/user_ldap/group_ldap.php b/apps/user_ldap/group_ldap.php
index 5ec259f6c4..389679b80b 100644
--- a/apps/user_ldap/group_ldap.php
+++ b/apps/user_ldap/group_ldap.php
@@ -143,7 +143,7 @@ class GROUP_LDAP extends lib\Access implements \OCP\GroupInterface {
 			if(!empty($this->groupSearch)) {
 				$groupUsers = array_filter($groupUsers, array($this, 'groupMatchesFilter'));
 			}
-			if($limit = -1) {
+			if($limit == -1) {
 				$limit = null;
 			}
 			return array_slice($groupUsers, $offset, $limit);
@@ -187,7 +187,7 @@ class GROUP_LDAP extends lib\Access implements \OCP\GroupInterface {
 		if(!empty($this->groupSearch)) {
 			$groupUsers = array_filter($groupUsers, array($this, 'groupMatchesFilter'));
 		}
-		if($limit = -1) {
+		if($limit == -1) {
 			$limit = null;
 		}
 		return array_slice($groupUsers, $offset, $limit);
diff --git a/apps/user_ldap/user_ldap.php b/apps/user_ldap/user_ldap.php
index bacdb8b9ae..53a6512910 100644
--- a/apps/user_ldap/user_ldap.php
+++ b/apps/user_ldap/user_ldap.php
@@ -111,7 +111,7 @@ class USER_LDAP extends lib\Access implements \OCP\UserInterface {
 		if(!empty($this->userSearch)) {
 			$ldap_users = array_filter($ldap_users, array($this, 'userMatchesFilter'));
 		}
-		if($limit = -1) {
+		if($limit == -1) {
 			$limit = null;
 		}
 		return array_slice($ldap_users, $offset, $limit);