diff --git a/images/favicon.ico b/images/favicon.ico
new file mode 100644
index 0000000..21b6962
Binary files /dev/null and b/images/favicon.ico differ
diff --git a/includes/header.html b/includes/header.html
index 1f32d91..1d3b5a6 100644
--- a/includes/header.html
+++ b/includes/header.html
@@ -5,6 +5,10 @@
   crossorigin="anonymous"
   referrerpolicy="no-referrer"
   />
+
+  <!-- add favicon.ico so that the tab looks like a BioC tab --> 
+  <link rel="SHORTCUT ICON" type="image/x-icon" href="/images/favicon.ico" />
+  <link rel="ICON" type="image/x-icon" href="/images/favicon.ico" />
   
   <style>
     /* Dark mode toggle button */