diff --git a/static/admin/index.js b/static/admin/index.js
index 58a8519d..75eff0ec 100644
--- a/static/admin/index.js
+++ b/static/admin/index.js
@@ -9,7 +9,7 @@ function login() {
 
   // Checks input fields
   if (!apiKey) {
-    lib_msg.displayErrors('API key is mandatory');
+    lib_msg.displayErrors('Admin key is mandatory');
     return;
   }
 
@@ -20,13 +20,17 @@ function login() {
     function (result) {
       const auth = result['authorizations'];
       const accessToken = auth['access_token'];
-      lib_auth.setAccessToken(accessToken);
-      const refreshToken = auth['refresh_token'];
-      lib_auth.setRefreshToken(refreshToken);
-      sessionStorage.setItem('activeTab', '');
-      lib_msg.displayInfo('Successfully connected to your backend');
-      // Redirection to default page
-      lib_cmn.goToDefaultPage();
+      if (lib_auth.isAdmin(accessToken)) {
+        lib_auth.setAccessToken(accessToken);
+        const refreshToken = auth['refresh_token'];
+        lib_auth.setRefreshToken(refreshToken);
+        sessionStorage.setItem('activeTab', '');
+        lib_msg.displayInfo('Successfully connected to your backend');
+        // Redirection to default page
+        lib_cmn.goToDefaultPage();
+      } else {
+        lib_msg.displayErrors('You must sign in with the admin key');
+      }
     },
     function (jqxhr) {
       let msg = lib_msg.extractJqxhrErrorMsg(jqxhr);
diff --git a/static/admin/lib/auth-utils.js b/static/admin/lib/auth-utils.js
index c0874184..f0aa8187 100644
--- a/static/admin/lib/auth-utils.js
+++ b/static/admin/lib/auth-utils.js
@@ -12,6 +12,9 @@ var lib_auth = {
   /* JWT Scheme */
   JWT_SCHEME: 'Bearer',
 
+  /* Admin profile */
+  TOKEN_PROFILE_ADMIN: 'admin',
+
 
   /* 
    * Retrieves access token from session storage
@@ -87,6 +90,36 @@ var lib_auth = {
     return (token && (token != 'null')) ? true : false;
   },
 
+  /*
+   * Extract the payload of an access token
+   * in json format
+   */
+  getPayloadAccessToken: function(token) {
+    if (!token)
+      token = this.getAccessToken();
+
+    if (!token)
+      return null;
+
+    try {
+      const payloadBase64 = token.split('.')[1];
+      const payloadUtf8 = atob(payloadBase64);
+      return JSON.parse(payloadUtf8);
+    } catch {
+      return null;
+    }
+  },
+
+  /*
+   * Check if user has admin profile
+   */
+  isAdmin: function(token) {
+    const payload = this.getPayloadAccessToken(token);
+    if (!payload)
+      return false;
+    return (('prf' in payload) && (payload['prf'] == this.TOKEN_PROFILE_ADMIN));
+  },
+
   /*
    * Local logout
    */