diff --git a/admin/aqbudgets.pl b/admin/aqbudgets.pl
index 44f0d7fd08..684e0e2159 100755
--- a/admin/aqbudgets.pl
+++ b/admin/aqbudgets.pl
@@ -115,6 +115,8 @@ if ($op eq 'add_form') {
         }
         $dropbox_disabled = BudgetHasChildren($budget_id);
         $budget->{budget_owner} = Koha::Patrons->find( $budget->{budget_owner_id} );
+    } elsif ( $period->{budget_period_locked} ) {
+        output_and_exit( $input, $cookie, $template, 'budget_is_locked' );
     }
 
     # build budget hierarchy
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/blocking_errors.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/blocking_errors.inc
index c73470694b..e64f6e2ff5 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/blocking_errors.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/blocking_errors.inc
@@ -13,6 +13,8 @@
         <div class="dialog message">This basket does not exist.</div>
     [% CASE 'wrong_csrf_token' %]
         <div class="dialog message">The form submission failed (Wrong CSRF token). Try to come back, refresh the page, then try again.</div>
+    [% CASE 'budget_is_locked' %]
+        <div class="dialog message">The budget is locked, fund creation is not possible.</div>
     [% CASE %][% blocking_error | html %]
     [% END %]
 
diff --git a/koha-tmpl/intranet-tmpl/prog/en/includes/budgets-admin-toolbar.inc b/koha-tmpl/intranet-tmpl/prog/en/includes/budgets-admin-toolbar.inc
index 980cca9e2c..5a80d14206 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/includes/budgets-admin-toolbar.inc
+++ b/koha-tmpl/intranet-tmpl/prog/en/includes/budgets-admin-toolbar.inc
@@ -7,10 +7,13 @@
                     <li><a href="/cgi-bin/koha/admin/aqbudgetperiods.pl?op=add_form">New budget</a></li>
                     [% IF ( budget_period_locked || !CAN_user_acquisition_budget_add_del ) %]
                         <li class="disabled">
+                            <a data-toggle="tooltip" data-placement="left" title="The budget is locked" href="#">New fund for [% budget_period_description | html %]</a>
+                        </li>
                     [% ELSE %]
                         <li>
+                            <a href="/cgi-bin/koha/admin/aqbudgets.pl?op=add_form&amp;budget_period_id=[% budget_period_id | uri %]">New fund for [% budget_period_description | html %]</a>
+                        </li>
                     [% END %]
-                    <a href="/cgi-bin/koha/admin/aqbudgets.pl?op=add_form&amp;budget_period_id=[% budget_period_id | uri %]">New fund for [% budget_period_description | html %]</a></li>
                 </ul>
         </div>