diff --git a/C4/Auth_with_ldap.pm b/C4/Auth_with_ldap.pm
index 422a59a45b..8195c99d6a 100644
--- a/C4/Auth_with_ldap.pm
+++ b/C4/Auth_with_ldap.pm
@@ -206,7 +206,7 @@ sub checkpw_ldap {
 
     if (( $borrowernumber and $config{update}   ) or
         (!$borrowernumber and $config{replicate})   ) {
-        %borrower = ldap_entry_2_hash($userldapentry,$userid);
+        %borrower = ldap_entry_2_hash($userldapentry,$cardnumber);
         #warn "checkpw_ldap received \%borrower w/ " . keys(%borrower), " keys: ", join(' ', keys %borrower), "\n";
     }