--- uc_auction.module	2011-09-26 16:45:14.000000000 -0600
+++ uc_auction.module	2011-10-06 11:38:35.000000000 -0600
@@ -726,14 +605,13 @@ function uc_auction_nodeapi(&$node, $op,
           }
         }
         
-        
-        if (!$auc['high_bid']) {
+        if (!$auc['high_bid_amt']) {
           $auc['high_bid_amt'] = $auc['start_price'];
         } else {
           /* workaround for fixing false 
@@ -742,7 +620,7 @@ function uc_auction_nodeapi(&$node, $op,
 
         // We're calculating these bid limits here so that other modules can
         // override them in their on hook_nodeapi()s later.
-        $auc['min_bid'] = $auc['high_bid_amt'] + ($auc['min_increase'] !== NULL ? $auc['min_increase'] : variable_get('uc_auction_min_increase', .5));
+        $auc['min_bid'] = $auc['high_bid_amt'] + ($auc['min_increase'] !== NULL ? $auc['high_bid_amt'] + $auc['min_increase'] : variable_get('uc_auction_min_increase', .5));
         if ($auc['max_inc'] === NULL) {
           $auc['max_inc'] = variable_get('uc_auction_max_increase', 1000);
         }
@@ -1186,6 +1064,11 @@ function uc_auction_bid_table_form_valid
   // fetch min-bid
   $db_data = db_query("SELECT MAX(amount) as amount FROM {uc_auction_bids} WHERE nid = '%s'" , $form_state['values']['nid']);
   $db_data = db_fetch_object($db_data);
+  // use the 'start_price' if there are no bids yet
+  if(!$db_data->amount) {
+    $db_data = db_query("SELECT start_price as amount FROM {uc_auction} WHERE nid = '%s'", $form_state['values']['nid']);
+    $db_data = db_fetch_object($db_data);
+  }
 
   // TODO: Check that the submitted bid value will fit in the DB?
   $form_state['values']['user_bid'] = _uc_auction_uncurrency($form_state['values']['user_bid']);