diff --git a/application/controllers/api/frontend/v1/Filter.php b/application/controllers/api/frontend/v1/Filter.php
index 45838fc5f..b195e0012 100644
--- a/application/controllers/api/frontend/v1/Filter.php
+++ b/application/controllers/api/frontend/v1/Filter.php
@@ -113,7 +113,7 @@ class Filter extends FHCAPI_Controller
 	 */
 	public function applyFilterFields()
 	{
-		$this->form_validation->set_rules('filterFields', 'filterFields', 'required');
+		$this->form_validation->set_rules('filterFields[]', 'filterFields', 'required');
 
 		if (!$this->form_validation->run())
 			$this->terminateWithValidationErrors($this->form_validation->error_array());
diff --git a/application/libraries/FilterCmptLib.php b/application/libraries/FilterCmptLib.php
index c1a2b47cb..bb5d01fae 100644
--- a/application/libraries/FilterCmptLib.php
+++ b/application/libraries/FilterCmptLib.php
@@ -371,21 +371,21 @@ class FilterCmptLib
 			foreach ($filterFields as $filterField)
 			{
 				// If not an empty array
-				if ($filterField != null)
+				if (!isEmptyArray($filterField))
 				{
 					//
-					if (isset($filterField->name) && isset($filterField->operation) && isset($filterField->condition)
-						&& !isEmptyString($filterField->name) && !isEmptyString($filterField->operation)
-						&& !isEmptyString($filterField->condition))
+					if (isset($filterField['name']) && isset($filterField['operation']) && isset($filterField['condition'])
+						&& !isEmptyString($filterField['name']) && !isEmptyString($filterField['operation'])
+						&& !isEmptyString($filterField['condition']))
 					{
 						// Fine
 						$filter = new stdClass();
-						$filter->name = $filterField->name;
-						$filter->operation = $filterField->operation;
-						$filter->condition = $filterField->condition;
-						if (isset($filterField->option) && !isEmptyString($filterField->option))
+						$filter->name = $filterField['name'];
+						$filter->operation = $filterField['operation'];
+						$filter->condition = $filterField['condition'];
+						if (isset($filterField['option']) && !isEmptyString($filterField['option']))
 						{
-							$filter->option = $filterField->option;
+							$filter->option = $filterField['option'];
 						}
 						else
 						{
@@ -1173,4 +1173,4 @@ class FilterCmptLib
 
 		return $filterName;
 	}
-}
\ No newline at end of file
+}