diff --git a/include/ajax.orgs.php b/include/ajax.orgs.php
index f7be2b2d130e5672e71a88669b102cb2b96f74ee..1a1c8d19ca060a22e139135cae4d5af4965510f4 100644
--- a/include/ajax.orgs.php
+++ b/include/ajax.orgs.php
@@ -24,7 +24,10 @@ class OrgsAjaxAPI extends AjaxController {
 
         if(!isset($_REQUEST['q'])) {
             Http::response(400, 'Query argument is required');
-        }
+        } 
+        
+        if (!$_REQUEST['q'])
+            return $this->json_encode(array());
 
         $q = $_REQUEST['q'];
         $limit = isset($_REQUEST['limit']) ? (int) $_REQUEST['limit']:25;
diff --git a/include/ajax.tickets.php b/include/ajax.tickets.php
index 6acae0719f35404ed9b43e871a238b53d92c6a22..c20abba7ec0120fbaceffca81f762c5e5eb0c650 100644
--- a/include/ajax.tickets.php
+++ b/include/ajax.tickets.php
@@ -26,14 +26,17 @@ class TicketsAjaxAPI extends AjaxController {
     function lookup() {
         global $thisstaff;
 
-
         $limit = isset($_REQUEST['limit']) ? (int) $_REQUEST['limit']:25;
         $tickets=array();
+        // Bail out of query is empty
+        if (!$_REQUEST['q'])
+            return $this->json_encode($tickets);
 
         $visibility = Q::any(array(
             'staff_id' => $thisstaff->getId(),
             'team_id__in' => $thisstaff->teams->values_flat('team_id'),
         ));
+
         if (!$thisstaff->showAssignedOnly() && ($depts=$thisstaff->getDepts())) {
             $visibility->add(array('dept_id__in' => $depts));
         }
diff --git a/include/ajax.users.php b/include/ajax.users.php
index 22257675d152e6eed6e4916f5de17b0f7f5acb05..f8b9b78b4ea8a8d7dfc3c3d0a3c67352067e214b 100644
--- a/include/ajax.users.php
+++ b/include/ajax.users.php
@@ -29,6 +29,10 @@ class UsersAjaxAPI extends AjaxController {
             Http::response(400, __('Query argument is required'));
         }
 
+        $matches = array();
+        if (!$_REQUEST['q'])
+            return $this->json_encode($matches);
+
         $q = $_REQUEST['q'];
         $limit = isset($_REQUEST['limit']) ? (int) $_REQUEST['limit']:25;
         $users=array();