diff --git a/site-config.conf b/site-config.conf
index 42c28de..0e86f32 100644
--- a/site-config.conf
+++ b/site-config.conf
@@ -20,10 +20,10 @@ server {
     # Determine the subdomain and set the root accordingly
     # subdomains are the default, so that we get 404s for nonexistant subdomains
     set $subdomain '';
-    set $full_root = $MAIN_WEB_ROOT/_main/www;
+    set $full_root $MAIN_WEB_ROOT/_main/www;
     if ($host ~* ^([^.]+)\.$DOMAIN$) {
         set $subdomain $1;
-        set $full_root = $MAIN_WEB_ROOT/subdomains/$subdomain/www;
+        set $full_root $MAIN_WEB_ROOT/subdomains/$subdomain/www;
     }
     root $full_root;