diff --git a/.gitignore b/.gitignore
index 9bed604..af6f996 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 contact.txt
 users.csv
 oncallbot.jpg
+.vscode
diff --git a/oncall.php b/oncall.php
index d7dfe32..2c8cfee 100644
--- a/oncall.php
+++ b/oncall.php
@@ -79,7 +79,7 @@ class oncall {
     // Debug Mode will show more information.
     $this->debugMode = (bool) getenv('DEBUG_MODE');
     $this->baseUrl = getenv('REDMINE_URL');
-    $this->apiKey = getenv('KEY');
+    $this->apiKey = getenv('REDMINE_API_KEY');
 
     // FIXME: Not using $this->apiKey.
     $this->queries = [
diff --git a/update_redmine.php b/update_redmine.php
index ae546a8..cf8f54d 100644
--- a/update_redmine.php
+++ b/update_redmine.php
@@ -1,4 +1,3 @@
-#!/usr/bin/php
 <?php
 declare(strict_types = 1);
 require_once 'vendor/autoload.php';
@@ -63,15 +62,15 @@ class update_redmine {
     // Debug Mode will show more information.
     $this->debugMode = (bool) getenv('DEBUG_MODE');
     $this->baseUrl = getenv('REDMINE_URL');
-    $this->apiKey = getenv('KEY');
-    $this->setAction($action);
+    $this->apiKey = getenv('REDMINE_API_KEY');
+    $this->setAction($_GET['action']);
   }
 
   public function setAction($action) {
     $validActions = [
       'do_not_alert' => 'PUT',
     ];
-    if ($validActions['$action'] ?? FALSE) {
+    if ($validActions[$action] ?? FALSE) {
       $this->action = $action;
       $this->httpMethod = $validActions[$action];
     }
@@ -83,10 +82,10 @@ class update_redmine {
   public function prepareAction() {
     if ($this->action === 'do_not_alert') {
       $this->json = '{"issue": {"custom_fields": [{"id": 4, "value": "1"}]}}';
-      if (is_int($_GET['issue'])) {
-        $issue = $GET['issue'];
+      if (is_numeric($_GET['issue'])) {
+        $issue = $_GET['issue'];
       }
-      $this->fullUrl = $this->baseUrl . "/$issue.json";
+      $this->fullUrl = $this->baseUrl . "/issues/$issue.json";
     }
   }