diff --git a/package-lock.json b/package-lock.json
index 4f745037..f3f7c209 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "@kth/monitor": "^4.3.1",
         "@kth/server": "^4.1.0",
         "@kth/session": "^3.0.9",
-        "@kth/style": "^0.18.12",
+        "@kth/style": "^1.4.2",
         "@kth/ug-rest-api-helper": "^1.0.26",
         "axios": "^1.7.2",
         "body-parser": "^1.20.2",
@@ -3539,9 +3539,9 @@
       }
     },
     "node_modules/@kth/style": {
-      "version": "0.18.12",
-      "resolved": "https://registry.npmjs.org/@kth/style/-/style-0.18.12.tgz",
-      "integrity": "sha512-QtRdFEJcpHNgtUdqrpCn9EVXOQw9Iu6tYLsFO0qgCfgbWWMzSq8d52NoV6rJ6JSNeqhA8tnwdXHprhtLTstA/w==",
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/@kth/style/-/style-1.4.2.tgz",
+      "integrity": "sha512-Z6EhjUVzhw+QITpnFsdLu51xogsgEXQiB1E+hEI2HsaFxTOrxkq6qbnN/uK1WWeTuKfi+A6szaVubPXswWRtyw==",
       "peerDependencies": {
         "react": "*"
       }
diff --git a/package.json b/package.json
index 9c41771e..07a4a1c8 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "@kth/monitor": "^4.3.1",
     "@kth/server": "^4.1.0",
     "@kth/session": "^3.0.9",
-    "@kth/style": "^0.18.12",
+    "@kth/style": "^1.4.2",
     "@kth/ug-rest-api-helper": "^1.0.26",
     "axios": "^1.7.2",
     "body-parser": "^1.20.2",
diff --git a/server/views/helpers/index.js b/server/views/helpers/index.js
index 66658a90..ee1d44ff 100644
--- a/server/views/helpers/index.js
+++ b/server/views/helpers/index.js
@@ -1,5 +1,5 @@
 'use strict'
-
+const handlebars = require('handlebars')
 const registerHeaderContentHelper = require('@kth/kth-node-web-common/lib/handlebars/helpers/headerContent')
 const { registerBreadcrumbHelper } = require('@kth/kth-node-web-common/lib/handlebars/helpers/breadcrumbs')
 const { registerLanguageLinkHelper } = require('@kth/kth-node-web-common/lib/handlebars/helpers/languageLink')
@@ -41,3 +41,5 @@ require('@kth/kth-node-web-common/lib/handlebars/helpers/contentedit')
 const i18n = require('../../../i18n')
 require('@kth/kth-node-web-common/lib/handlebars/helpers/createI18nHelper')(i18n)
 require('@kth/kth-node-web-common/lib/handlebars/helpers/safe')
+
+handlebars.registerHelper('eq', (var1, var2) => var1.toString() === var2.toString())
diff --git a/server/views/partials/headerLogotype.handlebars b/server/views/partials/headerLogotype.handlebars
index f9e8d7b7..6239219e 100644
--- a/server/views/partials/headerLogotype.handlebars
+++ b/server/views/partials/headerLogotype.handlebars
@@ -1,6 +1,9 @@
 <a href="/student" class="kth-logotype">
   <figure>
-    <img class="blue" alt="Till KTH:s startsida" width="64" height="64" src="{{{proxyPrefix}}}/assets/logotype/logotype-blue.svg">
+    {{#if (eq theme "external")}}
     <img class="white" alt="Till KTH:s startsida" width="64" height="64" src="{{{proxyPrefix}}}/assets/logotype/logotype-white.svg">
+    {{else}}
+    <img class="blue" alt="Till KTH:s startsida" width="64" height="64" src="{{{proxyPrefix}}}/assets/logotype/logotype-blue.svg">
+    {{/if}}
   </figure>
 </a>
\ No newline at end of file