diff --git a/addons/auction/report/auction_artists.rml b/addons/auction/report/auction_artists.rml
index dfe81549245..1a0688825d4 100644
--- a/addons/auction/report/auction_artists.rml
+++ b/addons/auction/report/auction_artists.rml
@@ -62,7 +62,7 @@
           </para>
           <para style="P6">[[o.artist2_id and 'Artist2: '+o.artist2_id.name or False]]</para>
           <para style="P8">
-            <font face="Courier">[[o.artist_id2 and 'Biography: '+o.artist_id2.biography or False]]</font>
+            <font face="Courier">[[o.artist2_id and 'Biography: '+o.artist2_id.biography or False]]</font>
           </para>
         </td>
       </tr>
diff --git a/addons/auction/report/bids_lots.rml b/addons/auction/report/bids_lots.rml
index 9d688868d30..c2cad707a57 100644
--- a/addons/auction/report/bids_lots.rml
+++ b/addons/auction/report/bids_lots.rml
@@ -74,10 +74,10 @@
           <para style="P4">[[ o.ach_uid and o.ach_uid.name or False]]</para>
         </td>
         <td>
-          <para style="P5"><font>[[o.bid_lines[0] and o.bid_lines[0].bid_id.name or removeParentNode('font')]]</font></para>
+          <para style="P5"><font>[[ o.bid_lines and o.bid_lines[0] and o.bid_lines[0].bid_id.name or removeParentNode('font')]]</font></para>
         </td>
         <td>
-          <para style="P6"><font>[[o.bid_lines[0] and o.bid_lines[0].bid_id.contact_tel or removeParentNode('font')]]</font></para>
+          <para style="P6"><font>[[o.bid_lines and o.bid_lines[0] and o.bid_lines[0].bid_id.contact_tel or removeParentNode('font')]]</font></para>
         </td>
       </tr>
     </blockTable>
diff --git a/addons/auction/report/bids_phones_details.rml b/addons/auction/report/bids_phones_details.rml
index 17ba5f94b81..adf9e6a63b3 100644
--- a/addons/auction/report/bids_phones_details.rml
+++ b/addons/auction/report/bids_phones_details.rml
@@ -88,7 +88,7 @@
           <para style="P8">[[o.lot_est1]]-[[o.lot_est2]]</para>
         </td>
         <td>
-          <para style="P7"><font>[[o.bid_lines[0] and o.bid_lines[0].bid_id.contact_tel or removeParentNode('font')]]</font></para>
+          <para style="P7"><font>[[o.bid_lines and o.bid_lines[0] and o.bid_lines[0].bid_id.contact_tel or removeParentNode('font')]]</font></para>
         </td>
       </tr>
     </blockTable>