diff --git a/src/main/lrsql/admin/interceptors/ui.clj b/src/main/lrsql/admin/interceptors/ui.clj
index d6a37bc9..4921d6e5 100644
--- a/src/main/lrsql/admin/interceptors/ui.clj
+++ b/src/main/lrsql/admin/interceptors/ui.clj
@@ -1,15 +1,25 @@
 (ns lrsql.admin.interceptors.ui
   (:require [ring.util.response :as resp]
+            [selmer.parser :as selm-parser]
             [io.pedestal.interceptor :refer [interceptor]]
             [com.yetanalytics.lrs.pedestal.interceptor :as i]
             [lrsql.admin.interceptors.oidc :as oidc-i]
             [lrsql.init.localization :refer [custom-language-map]]))
 
+(defn get-spa
+  "Handler function that returns the index.html file."
+  [path-prefix]
+  (fn [_]
+    (-> (selm-parser/render-file "public/admin/index.html"
+                                 {:prefix path-prefix})
+        resp/response
+        (resp/content-type "text/html"))))
+
 (defn admin-ui-redirect
-  "Handler function to redirect to the admin ui"
+  "Handler function to redirect to the admin UI."
   [path-prefix]
   (fn [_]
-    (resp/redirect (str path-prefix "/admin/index.html"))))
+    (resp/redirect (str path-prefix "/admin/ui"))))
 
 (defn get-env
   "Provide select config data to client upon request. Takes a map with static
diff --git a/src/main/lrsql/admin/routes.clj b/src/main/lrsql/admin/routes.clj
index abcb970b..1e4a8809 100644
--- a/src/main/lrsql/admin/routes.clj
+++ b/src/main/lrsql/admin/routes.clj
@@ -255,18 +255,23 @@
 
 (defn admin-ui-routes
   [common-interceptors {:keys [proxy-path] :as inject-config}]
-  #{;; Redirect root to admin UI
+  #{["/admin/env" :get (conj common-interceptors
+                             (ui/get-env inject-config))
+     :route-name :lrsql.admin.ui/get-env]
+    ;; SPA routes
+    ["/admin/ui" :get (ui/get-spa proxy-path)
+     :route-name :lrsql.admin.ui/main-path]
+    ["/admin/ui/" :get (ui/get-spa proxy-path)
+     :route-name :lrsql.admin.ui/slash-path]
+    ["/admin/ui/*path" :get (ui/get-spa proxy-path)
+     :route-name :lrsql.admin.ui/sub-paths]
+    ;; SPA redirects
     ["/" :get (ui/admin-ui-redirect proxy-path)
      :route-name :lrsql.admin.ui/root-redirect]
-    ;; Redirect admin w/o slash to admin UI
     ["/admin" :get (ui/admin-ui-redirect proxy-path)
-     :route-name :lrsql.admin.ui/path-redirect]
-    ;; Redirect admin with slash to admin UI
-    ["/admin/" :get (ui/admin-ui-redirect proxy-path)
      :route-name :lrsql.admin.ui/slash-redirect]
-    ["/admin/env" :get (conj common-interceptors
-                             (ui/get-env inject-config))
-     :route-name :lrsql.admin.ui/get-env]})
+    ["/admin/" :get (ui/admin-ui-redirect proxy-path)
+     :route-name :lrsql.admin.ui/slash-redirect-2]})
 
 (defn admin-reaction-routes
   [common-interceptors jwt-secret jwt-leeway no-val-opts]