diff --git a/themes/v2/layouts/_default/tag.html b/themes/v2/layouts/_default/tag.html
index 4c5ec24..b97662e 100644
--- a/themes/v2/layouts/_default/tag.html
+++ b/themes/v2/layouts/_default/tag.html
@@ -4,7 +4,7 @@
 
     <h2>
       <a href="/tags/">Tags</a> <span>&gt;</span>
-      #{{ .Title }}
+      #{{ strings.ToLower .Title }}
     </h2>
 
     <ul>
diff --git a/themes/v2/layouts/_default/tag.terms.html b/themes/v2/layouts/_default/tag.terms.html
index 175b11a..065b6aa 100644
--- a/themes/v2/layouts/_default/tag.terms.html
+++ b/themes/v2/layouts/_default/tag.terms.html
@@ -7,7 +7,7 @@
     <ul>
       {{ range .Data.Terms.Alphabetical }}
         <li>
-          <a href="{{ .Page.Permalink }}">#{{ .Page.Title }}</a>
+          <a href="{{ .Page.Permalink }}">#{{ strings.ToLower .Page.Title }}</a>
           ({{ .Count }})
         </li>
       {{ end }}