diff --git a/signup/submit.php b/signup/submit.php
index 49ccf4f50..5ddaf11bc 100644
--- a/signup/submit.php
+++ b/signup/submit.php
@@ -120,7 +120,7 @@ function securityChecks ()
         echo "<title>Expo 2004 Application Form Error -- Cambridge University Caving Club</title>";
         echo "</head>";
 	
-        echo "<FORM ACTION=\"http://www.three-tuns.net/expoweb/signup/submit.php?action=commit\" METHOD=\"POST\">";
+        echo "<FORM ACTION=\"http://cucc.survex.com/expo/signup/submit.php?action=commit\" METHOD=\"POST\">";
 	printHidden ();
     
         echo <<<END
@@ -158,7 +158,7 @@ END;
     being included in the Bier Book on Expo.</P>
     
     <HR>
-    <FORM ACTION="http://www.three-tuns.net/expoweb/signup/submit.php?action=preview" METHOD="POST">
+    <FORM ACTION="http://cucc.survex.com/expo/signup/submit.php?action=preview" METHOD="POST">
     
     <H2>Section A: Personal information<h2>
     
@@ -223,7 +223,7 @@ END;
     
     <h3>Transport</h2>
 
-    <p>Please look now at the <a target="_blank" href="http://www.three-tuns.net/expoweb/years/2004/travel.html">transport arrangements page</a> (will open in a new window).  Then select one of the following.
+    <p>Please look now at the <a target="_blank" href="http://cucc.survex.com/expo/years/2004/travel.html">transport arrangements page</a> (will open in a new window).  Then select one of the following.
 
     <p><input type="radio" name="transport_ok" value="yes" tabindex=38
 END;
@@ -356,7 +356,7 @@ END;
     <H2>Contact details</H2>
     <h3>Your details</h3>
     <p>
-    <FORM ACTION="http://www.three-tuns.net/expoweb/signup/submit.php?action=commit" METHOD="POST">
+    <FORM ACTION="http://cucc.survex.com/expo/signup/submit.php?action=commit" METHOD="POST">
 END;
 
     printHidden ();