diff --git a/C4/Serials.pm b/C4/Serials.pm
index ce1b22f502..5718580413 100644
--- a/C4/Serials.pm
+++ b/C4/Serials.pm
@@ -835,7 +835,7 @@ sub GetNextSeq {
 
     my ( $newlastvalue1, $newlastvalue2, $newlastvalue3,
     $newinnerloop1, $newinnerloop2, $newinnerloop3 );
-    my $count = $count_forward ? $count_forward : 1;
+    my $count = $count_forward || 1;
 
     if ($subscription->{'skip_serialseq'}) {
         my @irreg = split /;/, $subscription->{'irregularity'};
@@ -1088,7 +1088,7 @@ sub ModSerialStatus {
 
     return unless ($serialid);
 
-    my $count = $count_forward ? $count_forward : 1;
+    my $count = $count_forward || 1;
 
     #It is a usual serial
     # 1st, get previous status :
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/modals/serials_skip_issues.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/modals/serials_skip_issues.inc
index 86700511a8..5bceb18010 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/modals/serials_skip_issues.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/modals/serials_skip_issues.inc
@@ -9,12 +9,12 @@
                         <ol>
                             <li>
                             <label for="nbissues" class="required">How many issues do you want to skip?</label>
-                            <input type="text" pattern="^\d+$" size="10" id="skip_issues" name="skip_issues" required="required" />
+                            <input type="text" pattern="^\d$" size="10" id="skip_issues" name="skip_issues" required="required" />
                             </li>
                         </ol>
                         <input type="hidden" name="op" value="cud-gennext" />
 
-                        [%# subscriptionidlist is used from serials-collection, subscriptionid is used from serils-edit %]
+                        [%# subscriptionidlist is used from serials-collection, subscriptionid is used from serials-edit %]
                         <input type="hidden" name="subscriptionid" value="[% subscriptionidlist || subscriptionid | html %]" />
                     </fieldset>
                 </div>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt
index 5b25284910..14c5cb2b65 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-edit.tt
@@ -12,26 +12,6 @@
         $('#multi_receiving').on('show', function () {
            $(this).find(".modal-body").html($(".serials_multi_receiving")[0].outerHTML);
         });
-
-        $("form").on("submit", function(){
-                let issues = $('input[name="skip_issues"]').val() ? $('input[name="skip_issues"]').val() : '';
-                let too_many = _("Choose a value between 0-10 in issues to skip!");
-                let no_number = _("Not a number in skip issues!");
-
-                if ( issues == '' || ( issues.match(/^\d+$/) && issues <= 10 )  ) {
-                    return true;
-                }
-                else if ( issues.match(/^\d+$/) && issues > 10  ) {
-                    alert(too_many);
-                    return false;
-                }  else if ( !issues.match(/^\d+$/) ) {
-                    alert(no_number);
-                    return false;
-                }
-                else {
-                    return false;
-                }
-            });
     });
 
 function popup(subscriptionid) {
@@ -356,7 +336,7 @@ $(document).ready(function() {
   [% END %]
 [% END %]
     <tr>
-        <td colspan="6">Skip issues:<input type="checkbox" id="toggle_skip_issues"> <input id="skip_issues" type="text" pattern="^\d+$" name="skip_issues" class="collapse" value="1" disabled required="required"/></td>
+        <td colspan="6">Skip issues:<input type="checkbox" id="toggle_skip_issues"> <input id="skip_issues" type="text" pattern="^\d$" name="skip_issues" class="collapse" value="1" disabled required="required"/></td>
     </tr>
 [% FOREACH newserialloo IN newserialloop %]
     [% UNLESS ( newserialloo.subscriptionexpired ) %]
diff --git a/serials/serials-collection.pl b/serials/serials-collection.pl
index a5ca8b7154..025bde2179 100755
--- a/serials/serials-collection.pl
+++ b/serials/serials-collection.pl
@@ -47,7 +47,7 @@ my ($template, $loggedinuser, $cookie)
 my $biblionumber = $query->param('biblionumber');
 my @subscriptionid = $query->multi_param('subscriptionid');
 my $skip_issues = $query->param('skip_issues') || 0;
-my $count_forward = int $skip_issues + 1;
+my $count_forward = $skip_issues + 1;
 
 @subscriptionid= uniq @subscriptionid;
 @subscriptionid= sort @subscriptionid;