diff --git a/app/Http/Controllers/BaseAPIController.php b/app/Http/Controllers/BaseAPIController.php
index 35956179e4c0..5b59a5b38b8a 100644
--- a/app/Http/Controllers/BaseAPIController.php
+++ b/app/Http/Controllers/BaseAPIController.php
@@ -99,15 +99,17 @@ class BaseAPIController extends Controller
 
         $query->with($includes);
 
-        if ($updatedAt = intval(Input::get('updated_at'))) {
-            $query->where('updated_at', '>=', date('Y-m-d H:i:s', $updatedAt));
+        if (Input::get('updated_at') > 0) {
+                $updatedAt = intval(Input::get('updated_at'));
+                $query->where('updated_at', '>=', date('Y-m-d H:i:s', $updatedAt));
         }
-
-        if ($clientPublicId = Input::get('client_id')) {
-            $filter = function ($query) use ($clientPublicId) {
+ 
+        if (Input::get('client_id') > 0) {
+                $clientPublicId = Input::get('client_id');
+                $filter = function ($query) use ($clientPublicId) {
                 $query->where('public_id', '=', $clientPublicId);
-            };
-            $query->whereHas('client', $filter);
+             };
+             $query->whereHas('client', $filter);
         }
 
         if (! Utils::hasPermission('view_all')) {