diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt
index cf7259975c..ae6da07854 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/additem.tt
@@ -81,7 +81,7 @@
 [% IF ( barcode_not_unique ) %]<div class="alert alert-warning"><strong>Error saving item</strong>: Barcode must be unique.</div>[% END %]
 [% IF ( no_next_barcode ) %]<div class="alert alert-warning"><strong>Error saving items</strong>: Unable to automatically determine values for barcodes. No item has been inserted.</div>[% END %]
 [% IF ( book_on_loan ) %]<div class="alert alert-warning"><strong>Cannot delete</strong>: item is checked out.</div>[% END %]
-[% IF ( book_reserved ) %]<div class="dialogalert"><strong>Cannot delete</strong>: item has a waiting hold.</div>[% END %]
+[% IF ( book_reserved ) %]<div class="alert alert-warning"><strong>Cannot delete</strong>: item has a waiting hold.</div>[% END %]
 [% IF ( not_same_branch ) %]<div class="alert alert-warning"><strong>Cannot delete</strong>: The items do not belong to your library.</div>[% END %]
 [% IF ( linked_analytics ) %]<div class="alert alert-warning"><strong>Cannot delete</strong>: item has linked <a href="/cgi-bin/koha/catalogue/detail.pl?biblionumber=[% biblio.biblionumber | uri %]&amp;analyze=1">analytics.</a>.</div>[% END %]
 [% IF last_item_for_hold %]<div class="alert alert-warning"><strong>Cannot delete</strong>: Last item for bibliographic record with biblio-level hold on it.</div>[% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/boraccount.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/boraccount.tt
index 38a9edf174..f8e5a90f1c 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/boraccount.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/boraccount.tt
@@ -54,7 +54,7 @@
             </div>
             [% END %]
             [% IF receipt_sent == '-1' %]
-            <div id="receipt_sent_dialog" class="dialog warning">
+            <div id="receipt_sent_dialog" class="alert alert-warning">
               Receipt not sent, failed to find template.
             </div>
             [% END %]
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/members/discharge.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/members/discharge.tt
index 70300e88fe..94a82d52ad 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/members/discharge.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/members/discharge.tt
@@ -44,7 +44,7 @@
 
 <h1>Discharge</h1>
 [% FOR message IN messages %]
-    <div class="dialog [% message.type | html %]">
+    <div class="alert alert-[% message.type | html %]">
     [% IF message.code == "unable_to_generate_pdf" %]
         An error occurs when generating the PDF file.
         Please contact the administrator to resolve this problem.
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-discharge.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-discharge.tt
index 96f019d796..0a252c09d1 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-discharge.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-discharge.tt
@@ -29,7 +29,7 @@
                 <div id="discharge" class="maincontent">
                     <h1>Discharge</h1>
                     [% FOR message IN messages %]
-                        <div class="dialog [% message.type | html %]">
+                        <div class="alert alert-[% message.type | html %]">
                         [% IF message.code == "unable_to_generate_pdf" %]
                             An error occurs when generating the pdf file.
                             Please contact the staff to resolve this problem.
diff --git a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-sendbasketform.tt b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-sendbasketform.tt
index 171fcdc039..5fb70997ce 100644
--- a/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-sendbasketform.tt
+++ b/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-sendbasketform.tt
@@ -14,7 +14,7 @@
 
                             [% IF ( SENT ) %]
                                 <h1>Message sent</h1>
-                                <div class="dialog dialog-success">
+                                <div class="alert alert-info">
                                     <p>The cart was sent to: [% email_add | html %]</p>
                                 </div>
                                 <p><a class="focus close" href="#">Close window</a></p>