diff --git a/src/main.rs b/src/main.rs
index 2b1b39a..d992863 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -24,7 +24,7 @@ fn pretty_retrieve(id: PasteId) -> Option<Template> {
 
     let mut contents = String::new();
     file.read_to_string(&mut contents).unwrap();
-    let theme = env::var("THEME").unwrap_or(".".to_string());
+    let theme = env::var("THEME").unwrap_or("".to_string());
 
     let mut map = HashMap::new();
     map.insert("title", id.to_string());
diff --git a/templates/pretty.html.tera b/templates/pretty.html.tera
index 231c473..f43e327 100644
--- a/templates/pretty.html.tera
+++ b/templates/pretty.html.tera
@@ -69,7 +69,9 @@
         </style>
 
         <!-- Bring your own theme -->
+        {% if theme %}
         <link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@10.5.0/build/styles/{{ theme }}.min.css">
+        {% endif %}
 
 </head>