diff --git a/static/js/dashboard.js b/static/js/dashboard.js
index 399c32c..d7b4660 100644
--- a/static/js/dashboard.js
+++ b/static/js/dashboard.js
@@ -1,3 +1,9 @@
+if (localStorage.getItem("DONOTSHARE-secretkey") === null) {
+    window.location.replace("/login")
+    document.body.innerHTML = "Redirecting..."
+    throw new Error();
+}
+
 function attempt() {
     if (document.getElementById("appidbox").value.match(/^[A-Za-z]+$/)) {
         fetch("https://auth.hectabit.org/api/newauth", {
diff --git a/templates/main.html b/templates/main.html
index 3760317..a7f06a0 100644
--- a/templates/main.html
+++ b/templates/main.html
@@ -9,6 +9,12 @@
   <p>Sending data...</p>
 
   <script>
+    if (localStorage.getItem("DONOTSHARE-secretkey") !== null) {
+      window.location.replace("/app" + window.location.search)
+      document.body.innerHTML = "Redirecting..."
+      throw new Error();
+    }
+
     function oauth() {
       const urlParams = new URLSearchParams(window.location.search);