diff --git a/geneit_app/src/api/ApiClient.ts b/geneit_app/src/api/ApiClient.ts
index 8bfd22c..8514fd0 100644
--- a/geneit_app/src/api/ApiClient.ts
+++ b/geneit_app/src/api/ApiClient.ts
@@ -21,6 +21,14 @@ export class APIClient {
     return URL;
   }
 
+  /**
+   * Check out whether the backend is accessed through
+   * HTTPS or not
+   */
+  static IsBackendSecure(): boolean {
+    return this.backendURL().startsWith("https");
+  }
+
   /**
    * Perform a request on the backend
    */
diff --git a/geneit_app/src/index.tsx b/geneit_app/src/index.tsx
index 10e804b..2c958df 100644
--- a/geneit_app/src/index.tsx
+++ b/geneit_app/src/index.tsx
@@ -16,9 +16,18 @@ import { DarkThemeProvider } from "./hooks/context_providers/DarkThemeProvider";
 import { SnackbarProvider } from "./hooks/context_providers/SnackbarProvider";
 import { AsyncWidget } from "./widgets/AsyncWidget";
 import { LoadingMessageProvider } from "./hooks/context_providers/LoadingMessageProvider";
+import { APIClient } from "./api/ApiClient";
 
 async function init() {
   try {
+    if (
+      APIClient.IsBackendSecure() &&
+      !window.location.href.startsWith("https") &&
+      window.location.hostname !== "localhost"
+    ) {
+      window.location.href = window.location.href.replace("http:", "https:");
+    }
+
     const root = ReactDOM.createRoot(
       document.getElementById("root") as HTMLElement
     );