diff --git a/public/install/forms.php b/public/install/forms.php
index 60546f05..b737b031 100644
--- a/public/install/forms.php
+++ b/public/install/forms.php
@@ -59,7 +59,7 @@ if (isset($_POST['checkGeneral'])) {
 
 
     setEnvironmentValue("APP_NAME", $appname);
-    setEnvironmentValue("APP_URL", $url);
+    setEnvironmentValue("APP_URL", $appurl);
 
     header("LOCATION: index.php?step=4");