diff --git a/genenetwork-development.scm b/genenetwork-development.scm
index 688d02f..70e4f46 100644
--- a/genenetwork-development.scm
+++ b/genenetwork-development.scm
@@ -239,7 +239,8 @@ genenetwork3 source from the latest commit of @var{project}."
               (lambda ()
                 ;; Build xapian index.
                 (setenv "PYTHONPATH" (getcwd))
-                (invoke "./scripts/index-genenetwork" xapian-build-directory)
+                (invoke "./scripts/index-genenetwork" xapian-build-directory
+			"mysql://webqtlout:webqtlout@localhost/db_webqtl")
                 ;; Stop genenetwork3, replace old xapian index and
                 ;; start genenetwork3.
                 (dynamic-wind