diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt
index b661d2253f..33bf55eb38 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/memberentrygen.tt
@@ -872,11 +872,7 @@
       <label for="cardnumber">
     [% END %] 
     Card number: </label>
-    [% IF ( opduplicate ) %]
-		<input type="text" id="cardnumber" name="cardnumber" size="20" />
-    [% ELSE %]
-		<input type="text" id="cardnumber" name="cardnumber" size="20" value="[% cardnumber %]" />
-    [% END %]
+	<input type="text" id="cardnumber" name="cardnumber" size="20" value="[% cardnumber %]" />
 	  [% IF ( mandatorycardnumber ) %]<span class="required">Required</span>[% END %]</li>
     <li>
       [% IF ( mandatorybranchcode ) %]
diff --git a/members/memberentry.pl b/members/memberentry.pl
index f01261e8a1..411fed29a5 100755
--- a/members/memberentry.pl
+++ b/members/memberentry.pl
@@ -400,9 +400,10 @@ if ($op eq "modify")  {
 if ( $op eq "duplicate" ) {
     $template->param( updtype => 'I' );
     $template->param( step_1 => 1, step_2 => 1, step_3 => 1, step_4 => 1, step_5 => 1, step_6 => 1 ) unless $step;
+    $data{'cardnumber'} = "";
 }
 
-$data{'cardnumber'}=fixup_cardnumber($data{'cardnumber'}) if $op eq 'add';
+$data{'cardnumber'}=fixup_cardnumber($data{'cardnumber'}) if ( ( $op eq 'add' ) or ( $op eq 'duplicate' ) );
 if(!defined($data{'sex'})){
     $template->param( none => 1);
 } elsif($data{'sex'} eq 'F'){