diff --git a/app/vars/app_defaults.php b/app/vars/app_defaults.php
index f51b01b1f9..77b20f5b09 100644
--- a/app/vars/app_defaults.php
+++ b/app/vars/app_defaults.php
@@ -26,7 +26,7 @@
 
 $vars = <<<EOD
 [
-{"var_name":"domain","var_value":$_SESSION["domain_name"],"var_cat":"Domain","var_enabled":"true","var_description":"U2V0cyB0aGUgZGVmYXVsdCBkb21haW4u"},
+{"var_name":"domain","var_value":{$_SESSION['domain_name']},"var_cat":"Domain","var_enabled":"true","var_description":"U2V0cyB0aGUgZGVmYXVsdCBkb21haW4u"},
 {"var_name":"domain_name","var_value":"\$\${domain}","var_cat":"Domain","var_enabled":"true","var_description":""},
 {"var_name":"sound_prefix","var_value":"\$\${sounds_dir}/en/us/callie","var_cat":"Sound","var_enabled":"true","var_description":"U2V0cyB0aGUgc291bmQgZGlyZWN0b3J5Lg=="},
 {"var_name":"hold_music","var_value":"local_stream://default","var_cat":"Music on Hold","var_enabled":"true","var_description":""},