diff --git a/mozilla/webtools/bonsai/defparams.pl b/mozilla/webtools/bonsai/defparams.pl
index adb3b2fc847..5012a09229b 100644
--- a/mozilla/webtools/bonsai/defparams.pl
+++ b/mozilla/webtools/bonsai/defparams.pl
@@ -136,6 +136,11 @@ DefParam("cvsadmin",
 	 "t",
          '%maintainer%');
 
+DefParam("dbiparam",
+         "The first parameter to pass to the DBI->connect() method.<br>Example: <code>DBI:mysql:host=localhost;database=bonsai</code>",
+         "t",
+         "DBI:mysql:database=bonsai;");
+
 DefParam("mysqluser",
          "The username of the bonsai database user.",
          "t",
@@ -146,16 +151,21 @@ DefParam("mysqlpassword",
          "p",
          "");
 
-DefParam("dbiparam",
-         "The first parameter to pass to the DBI->connect() method.<br>Example: <code>DBI:mysql:host=localhost;database=bonsai</code>",
-         "t",
-         "DBI:mysql:database=bonsai;");
-
 DefParam("shadowdbiparam",
          "The first parameter to pass to the DBI->connect() method of a read-only replicated slave database to use for queries, to help with performance on high-traffic systems.  If left blank, queries will be made against the primary database and this param will be ignored.<br>Example: <code>DBI:mysql:host=slaveserver;database=bonsai</code>",
          "t",
          "");
 
+DefParam("shadowmysqluser",
+         "The username of the bonsai database user for the shadow database.",
+         "t",
+         "nobody");
+
+DefParam("shadowmysqlpassword",
+         "The password of the bonsai database user for the shadow database.",
+         "p",
+         "");
+
 DefParam("readonly",
          "Are the hook files readonly.  (This value gets changed on the fly,
 so it is ok to leave the way it is.)",
diff --git a/mozilla/webtools/bonsai/globals.pl b/mozilla/webtools/bonsai/globals.pl
index 7a711487eb0..c800c0ae6a8 100644
--- a/mozilla/webtools/bonsai/globals.pl
+++ b/mozilla/webtools/bonsai/globals.pl
@@ -109,11 +109,18 @@ sub ConnectToDatabase {
     my ($dsn);
 
     if (!defined $::readdb) {
-        $dsn = Param('shadowdbiparam') || Param('dbiparam');
+        my $dsn = Param('dbiparam');
+        my $dbuser = Param('mysqluser');
+        my $dbpass = Param('mysqlpassword');
+        if (Param('shadowdbiparam')) {
+            $dsn = Param('shadowdbiparam');
+            $dbuser = Param('shadowmysqluser');
+            $dbpass = Param('shadowmysqlpassword');
+        }
 
 #        DBI->trace(1, "/tmp/dbi.out");
 
-	$::readdb = DBI->connect($dsn, Param('mysqluser'), Param('mysqlpassword'))
+	$::readdb = DBI->connect($dsn, $dbuser, $dbpass)
             || die "Can't connect to database server.";
         $::db = $::readdb;
     }