diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
index da6183cbbd..df6cca50a4 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/about.tt
@@ -3,9 +3,13 @@
 [% USE Koha %]
 [% USE Asset %]
 [% USE KohaDates %]
+[% PROCESS 'i18n.inc' %]
 [% SET footerjs = 1 %]
 [% INCLUDE 'doc-head-open.inc' %]
-<title>About Koha &rsaquo; Koha</title>
+<title>[% FILTER collapse %]
+    [% t("About Koha") | html %] &rsaquo;
+    [% t("Koha") | html %]
+[% END %]</title>
 [% INCLUDE 'doc-head-close.inc' %]
 </head>
 <body id="about_about" class="about">
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/auth.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/auth.tt
index e87cb438c4..e7b6e0ac5d 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/auth.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/auth.tt
@@ -6,19 +6,38 @@
 [% USE Categories %]
 [% USE Registers %]
 [% USE AuthClient %]
+[% PROCESS 'i18n.inc' %]
 [% SET footerjs = 1 %]
 [% INCLUDE 'doc-head-open.inc' %]
-<title>
-    [% IF TwoFA_prompt %]Two-factor authentication[% END %]
-    [% IF TwoFA_setup %]Two-factor authentication setup[% END %]
-    [% IF ( loginprompt ) %]Log in to Koha[% END %]
-    [% IF too_many_login_attempts %]This account has been locked.
-    [% ELSIF invalid_username_or_password %]Invalid username or password[% END %]
-    [% IF ( different_ip ) %]IP address change[% END %]
-    [% IF ( timed_out ) %]Session timed out[% END %]
-    [% IF ( nopermission ) %]Access denied[% END %]
-    [% IF ( auth_error ) %]Error authenticating with external provider[% END %] &rsaquo; Koha
-</title>
+<title>[% FILTER collapse %]
+    [% IF TwoFA_prompt %]
+        [% t("Two-factor authentication") | html %] &rsaquo;
+    [% END %]
+    [% IF TwoFA_setup %]
+        [% t("Two-factor authentication setup") | html %] &rsaquo;
+    [% END %]
+    [% IF too_many_login_attempts %]
+        [% t("This account has been locked.") | html %] &rsaquo;
+    [% ELSIF invalid_username_or_password %]
+        [% t("Invalid username or password") | html %] &rsaquo;
+    [% END %]
+    [% IF ( different_ip ) %]
+        [% t("IP address change") | html %] &rsaquo;
+    [% END %]
+    [% IF ( timed_out ) %]
+        [% t("Session timed out") | html %] &rsaquo;
+    [% END %]
+    [% IF ( nopermission ) %]
+        [% t("Access denied") | html %] &rsaquo;
+    [% END %]
+    [% IF ( auth_error ) %]
+        [% t("Error authenticating with external provider") | html %] &rsaquo;
+    [% END %]
+    [% IF ( loginprompt ) %]
+        [% t("Log in to Koha") | html %] &rsaquo;
+    [% END %]
+    [% t("Koha") | html %]
+[% END %]</title>
 [% INCLUDE 'doc-head-close.inc' %]
 [% PROCESS 'auth-two-factor.inc' %]
 </head>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/errors/errorpage.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/errors/errorpage.tt
index 0d5e45b90e..2d84003291 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/errors/errorpage.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/errors/errorpage.tt
@@ -1,6 +1,10 @@
 [% USE raw %]
+[% PROCESS 'i18n.inc' %]
 [% INCLUDE 'doc-head-open.inc' %]
-<title>Error [% errno | html %] &rsaquo; Koha</title>
+<title>[% FILTER collapse %]
+    [% tx("Error {error_number}", {error_number = errno }) | html %] &rsaquo;
+    [% t("Koha") | html %]
+[% END %]</title>
 [% INCLUDE 'doc-head-close.inc' %]
 </head>
 <body id="err_[% errno | html %]" class="err">
@@ -13,7 +17,7 @@
     [% WRAPPER breadcrumbs %]
         [% WRAPPER breadcrumb_item %]
             <a href="#" aria-current="page">
-                Error [% errno | html %]
+                [% tx("Error {error_number}", {error_number = errno }) | html %]
             </a>
         [% END %]
     [% END #/ WRAPPER breadcrumbs %]
@@ -24,7 +28,7 @@
             <div class="col-md-8 col-md-offset-2">
 
     <h1>An error has occurred!</h1>
-    <h2><em>Error [% errno | html %]</em></h2>
+    <h2><em>[% tx("Error {error_number}", {error_number = errno }) | html %]</em></h2>
         <h3>This message may have been caused by any of the following reasons:</h3>
         <ul style="padding-bottom: 0.5em;">
             <li>You made use of an external link to an item that is no longer available</li>
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/intranet-main.tt b/koha-tmpl/intranet-tmpl/prog/en/modules/intranet-main.tt
index 85feef5609..c066fe3ace 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/intranet-main.tt
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/intranet-main.tt
@@ -3,9 +3,12 @@
 [% USE Koha %]
 [% USE Branches %]
 [% USE KohaDates %]
+[% PROCESS 'i18n.inc' %]
 [% SET footerjs = 1 %]
 [% INCLUDE 'doc-head-open.inc' %]
-<title>Koha staff interface</title>
+<title>[% FILTER collapse %]
+    [% t("Koha staff interface") | html %]
+[% END %]</title>
 [% Asset.css("css/mainpage.css") | $raw %]
 [% INCLUDE 'doc-head-close.inc' %]
 </head>