diff --git a/src/Configuration/ConfigurationProvider.php b/src/Configuration/ConfigurationProvider.php
index e464ef48..dd7da5d3 100644
--- a/src/Configuration/ConfigurationProvider.php
+++ b/src/Configuration/ConfigurationProvider.php
@@ -37,6 +37,6 @@ public function getManifestsRatingThreshold(): int
      */
     public function getReleaseAppUrl(): string
     {
-        return (string)getenv('UPGRADER_RELEASE_APP_URL') ?: static::DEFAULT_RELEASE_APP_URL;
+        return (string)getenv('RELEASE_APP_URL') ?: static::DEFAULT_RELEASE_APP_URL;
     }
 }