diff --git a/app/calls_active/calls_exec.php b/app/calls_active/calls_exec.php
index 3e8aaaba15..fb469d1411 100644
--- a/app/calls_active/calls_exec.php
+++ b/app/calls_active/calls_exec.php
@@ -58,8 +58,8 @@
 				exit;
 			}
 
-			$calls = [];
 		//verify submitted call uuids
+			$calls = [];
 			if (is_array($_POST['calls']) && @sizeof($_POST['calls']) != 0) {
 				foreach ($_POST['calls'] as $call) {
 					if ($call['checked'] == 'true' && is_uuid($call['uuid'])) {
@@ -79,7 +79,7 @@
 
 				//execute hangup command
 					if ($esl->is_connected()) foreach ($calls as $call_uuid) {
-						event_socket::async("uuid_kill $call_uuid");
+						event_socket::async("uuid_kill ".$call_uuid);
 					}
 
 				//set message
@@ -95,13 +95,13 @@
 	else if ($_REQUEST['action'] == 'eavesdrop' && permission_exists('call_active_eavesdrop')) {
 
 		$uuid_pattern = '/[^-A-Fa-f0-9]/';
-		$num_pattern = '/[^-A-Za-z0-9()*#]/';
+		$number_pattern = '/[^-A-Za-z0-9()*#]/';
 
-		$chan_uuid = preg_replace($uuid_pattern,'',$_GET['chan_uuid']);
-		$ext = preg_replace($num_pattern,'',$_GET['ext']);
-		$destination = preg_replace($num_pattern,'',$_GET['destination']);
+		$channnel_uuid = preg_replace($uuid_pattern,'',$_GET['chan_uuid']);
+		$extension = preg_replace($number_pattern,'',$_GET['ext']);
+		$destination = preg_replace($number_pattern,'',$_GET['destination']);
 
-		$api_cmd = 'bgapi originate {origination_caller_id_name='.$text['label-eavesdrop'].',origination_caller_id_number='.$ext.'}user/'.$destination.'@'.$_SESSION['domain_name'].' &eavesdrop('.$chan_uuid.')';
+		$api_cmd = 'bgapi originate {origination_caller_id_name='.$text['label-eavesdrop'].',origination_caller_id_number='.$extension.'}user/'.$destination.'@'.$_SESSION['domain_name'].' &eavesdrop('.$channnel_uuid.')';
 
 		//run the command
 		$switch_result = event_socket::api($api_cmd);
@@ -112,4 +112,4 @@
 		exit;
 	}
 
-?>
\ No newline at end of file
+?>