Index: uc_coupon.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/uc_coupon/uc_coupon.install,v
retrieving revision 1.11
diff -u -p -r1.11 uc_coupon.install
--- uc_coupon.install	14 Aug 2009 15:59:20 -0000	1.11
+++ uc_coupon.install	26 Aug 2009 12:44:37 -0000
@@ -182,7 +182,7 @@ function uc_coupon_update_6001() {
       'default' => '',
     );
     db_add_field($ret, 'uc_coupons', 'bulk_seed', $field);
-    $ret[] = update_sql("UPDATE {uc_coupons} SET bulk_seed = MD5(RAND()) WHERE bulk_seed = ''");
+    $ret[] = update_sql("UPDATE {uc_coupons} SET bulk_seed = MD5(CAST(RAND() AS CHAR(32))) WHERE bulk_seed = ''");
   }
 
   return $ret;