diff --git a/runbot/runbot.xml b/runbot/runbot.xml
index d21f582c..3da7cc4f 100644
--- a/runbot/runbot.xml
+++ b/runbot/runbot.xml
@@ -705,7 +705,7 @@ http {
     <t t-foreach="builds" t-as="build">
     server {
         listen 8080;
-        server_name ~^<t t-raw="re_escpace(build.dest)"/>[-.].*$;
+        server_name ~^<t t-raw="re_escape(build.dest)"/>[-.].*$;
         location / { proxy_pass http://127.0.0.1:<t t-esc="build.port"/>; }
         location /longpolling { proxy_pass http://127.0.0.1:<t t-esc="build.port + 1"/>; }
     }