diff --git a/src/Handler.php b/src/Handler.php
index a86d3fbb56f76505e624f5a7605a19b92932a192..1cd655f599c767be1e1255a3b22eed7f9ad10728 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -526,7 +526,7 @@ class Handler extends BaseHandler {
       ];
 
       // Manage crontabs and optionally add them to heathcheck-io.
-      $hj_url = getenv('HEALTHCHECK_API_URL');
+      $hj_url = getenv('HEALTHCHECK_URL');
       $hj_api_key = getenv('HEALTHCHECK_API_KEY');
       $hj_api_channels = getenv('HEALTHCHECK_API_CHANNELS');
       $hj_project = $this->config->readValue('projectname');