diff --git a/elsa.php b/elsa.php
index 3e6df2d..8c8fe59 100644
--- a/elsa.php
+++ b/elsa.php
@@ -11,7 +11,9 @@
     <header class="site-header">
         <div class="container header-inner">
             <div class="header-left">
-                <img class="logo" src="https://www.ph-freiburg.de/_assets/cc3dd7db45300ecc1f3aeed85bda5532/Images/logo-big-blue.svg" alt="PH Freiburg Logo" />
+                <a href="https://www.ph-freiburg.de/index.html" target="_blank" rel="noopener noreferrer">
+                    <img class="logo" src="https://www.ph-freiburg.de/_assets/cc3dd7db45300ecc1f3aeed85bda5532/Images/logo-big-blue.svg" alt="PH Freiburg Logo" />
+                </a>
                 <div class="brand">
                     <div class="brand-title">Bibliothek der Pädagogischen Hochschule Freiburg</div>
                     <div class="brand-sub">Hochschulbibliothek · ELSA</div>
diff --git a/semesterapparat.php b/semesterapparat.php
index 1042863..06672d0 100644
--- a/semesterapparat.php
+++ b/semesterapparat.php
@@ -11,7 +11,9 @@
     <header class="site-header">
         <div class="container header-inner">
             <div class="header-left">
-                <img class="logo" src="https://www.ph-freiburg.de/_assets/cc3dd7db45300ecc1f3aeed85bda5532/Images/logo-big-blue.svg" alt="PH Freiburg Logo" />
+                <a href="https://www.ph-freiburg.de/index.html" target="_blank" rel="noopener noreferrer">
+                    <img class="logo" src="https://www.ph-freiburg.de/_assets/cc3dd7db45300ecc1f3aeed85bda5532/Images/logo-big-blue.svg" alt="PH Freiburg Logo" />
+                </a>
                 <div class="brand">
                     <div class="brand-title">Bibliothek der Pädagogischen Hochschule Freiburg</div>
                     <div class="brand-sub">Hochschulbibliothek · Semesterapparate</div>