diff --git a/src/clj/yenu/routes/core.clj b/src/clj/yenu/routes/core.clj
index d62aa15..171b841 100644
--- a/src/clj/yenu/routes/core.clj
+++ b/src/clj/yenu/routes/core.clj
@@ -17,7 +17,7 @@
 
 (defn page [number is-current? additional-class content]
   (h/html
-   [:li {:class (cond-> ["page-item"] is-current? (conj additional-class))}
+   [:li {:class (cond-> "page-item" is-current? (str " " additional-class))}
     [:a.page-link {:href (str "/page/" number)} content]]))
 
 (defn dots []