diff --git a/adebisi-fa.jpg b/adebisi-fa.jpg
index 51a8ab8..e57576c 100644
Binary files a/adebisi-fa.jpg and b/adebisi-fa.jpg differ
diff --git a/app.py b/app.py
index 4abd244..502163c 100644
--- a/app.py
+++ b/app.py
@@ -35,6 +35,8 @@ def enroll(sessionId, data):
     devices = ctx.get_devices()
     if (len(devices) == 0):
         print("There is no attached device.")
+        sio.emit('fprint-enroll-error', "There is no attached device.");
+        return;
     else:
         device = devices[0]
         if (not device):
diff --git a/public/app.js b/public/app.js
index 0c1de1e..38f00e2 100644
--- a/public/app.js
+++ b/public/app.js
@@ -34,6 +34,12 @@ var app = new Vue({
 
         this.socket.on("connect", () => { })
 
+        this.socket.on("fprint-enroll-error", (data) => {
+            console.log({ event: 'enroll-error', data });
+            swal("Oops!", `Operation failed. ${data}.`, "error");
+            this.busy.login = false;
+        });
+
         this.socket.on("fprint-enroll-done", (data) => {
             console.log({ event: 'enroll-done', data});
             if (data.ok) {
@@ -102,10 +108,10 @@ var app = new Vue({
         saveFingerPrint: async function () {
             this.busy.login = true;
             try {
-                var fingerprints = Object.keys(this.fingerprints).map(finger => {
+                var fingerprints = Object.keys(this.fingerDetails).map(finger => {
                     return {
                         finger,
-                        fingerprint: this.fingerprints[finger]
+                        fingerprint: this.fingerDetails[finger]
                     }
                 });
                 var { data } = await axios.post(