diff --git a/doc/API/API-Docs.md b/doc/API/API-Docs.md
index 2313cc0395..1dd4b3493d 100644
--- a/doc/API/API-Docs.md
+++ b/doc/API/API-Docs.md
@@ -1158,7 +1158,7 @@ Route: /api/v0/devicegroups/:name
 
 Input (JSON):
 
-  -full: set to true to return all columns for the devices in a group
+  - full: set to any value to return all data for the devices in a given group
 
 Examples:
 ```curl
diff --git a/html/includes/api_functions.inc.php b/html/includes/api_functions.inc.php
index 3898ef239f..c1f7aba383 100644
--- a/html/includes/api_functions.inc.php
+++ b/html/includes/api_functions.inc.php
@@ -1405,7 +1405,6 @@ function get_devices_by_group()
         'devices' => $devices,
     );
 
-    logfile(var_dump($output));
     $app->response->setStatus($code);
     $app->response->headers->set('Content-Type', 'application/json');
     echo _json_encode($output);
diff --git a/includes/device-groups.inc.php b/includes/device-groups.inc.php
index 3b314659bb..a2f4230a14 100644
--- a/includes/device-groups.inc.php
+++ b/includes/device-groups.inc.php
@@ -188,15 +188,15 @@ function QueryDevicesFromGroup($group_id)
  * Get an array of all the device ids belonging to this group_id
  * @param $group_id
  * @param bool $nested Return an array of arrays containing 'device_id'. (for API compatibility)
- * @param bool $full Return all fields from devices_id
+ * @param string $full Return all fields from devices_id
  * @return array
  */
-function GetDevicesFromGroup($group_id, $nested = false, $full = false)
+function GetDevicesFromGroup($group_id, $nested = false, $full = '')
 {
     if ($full) {
-        $query = 'SELECT `device_groups`.`name`, `devices`.* FROM `device_groups` INNER JOIN `device_group_device` ON `device_groups`.`id` = `device_group_device`.`device_group_id` INNER JOIN `devices` ON `device_group_device`.`device_id` = `devices`.`device_id` WHERE `device_groups`.`id`=?';
+        $query = 'SELECT `device_groups`.`name`, `devices`.* FROM `device_groups` INNER JOIN `device_group_device` ON `device_groups`.`id` = `device_group_device`.`device_group_id` INNER JOIN `devices` ON `device_group_device`.`device_id` = `devices`.`device_id` WHERE `device_groups`.`id` = ?';
     } else {
-        $query = 'SELECT `device_id` FROM `device_group_device` WHERE `device_group_id`=?';
+        $query = 'SELECT `device_id` FROM `device_group_device` WHERE `device_group_id` = ? ';
     }
     if ($nested) {
         return dbFetchRows($query, array($group_id));