--- a/browser/components/loop/content/js/panel.js
+++ b/browser/components/loop/content/js/panel.js
@@ -50,17 +50,19 @@ loop.panel = (function(_, mozL10n) {
         tabs.push(
           React.DOM.div({key: i, className: cx({tab: true, selected: isSelected})}, 
             tab.props.children
           )
         );
       }, this);
       return (
         React.DOM.div({className: "tab-view-container"}, 
-          React.DOM.ul({className: "tab-view"}, tabButtons), 
+          !this.props.buttonsHidden
+            ? React.DOM.ul({className: "tab-view"}, tabButtons)
+            : null, 
           tabs
         )
       );
     }
   });
 
   var Tab = React.createClass({displayName: 'Tab',
     render: function() {
@@ -470,17 +472,22 @@ loop.panel = (function(_, mozL10n) {
           detailsButtonLabel: serviceError.error.friendlyDetailsButtonLabel,
         });
       } else {
         this.props.notifications.remove(this.props.notifications.get("service-error"));
       }
     },
 
     _onStatusChanged: function() {
-      this.setState({userProfile: navigator.mozLoop.userProfile});
+      var profile = navigator.mozLoop.userProfile;
+      if (profile != this.state.userProfile) {
+        // On profile change (login, logout), switch back to the default tab.
+        this.selectTab("call");
+      }
+      this.setState({userProfile: profile});
       this.updateServiceErrors();
     },
 
     startForm: function(name, contact) {
       this.refs[name].initForm(contact);
       this.selectTab(name);
     },
 
@@ -503,17 +510,17 @@ loop.panel = (function(_, mozL10n) {
     render: function() {
       var NotificationListView = sharedViews.NotificationListView;
       var displayName = this.state.userProfile && this.state.userProfile.email ||
                         __("display_name_guest");
       return (
         React.DOM.div(null, 
           NotificationListView({notifications: this.props.notifications, 
                                 clearOnDocumentHidden: true}), 
-          TabView({ref: "tabView"}, 
+          TabView({ref: "tabView", buttonsHidden: !this.state.userProfile}, 
             Tab({name: "call"}, 
               React.DOM.div({className: "content-area"}, 
                 CallUrlResult({client: this.props.client, 
                                notifications: this.props.notifications, 
                                callUrl: this.props.callUrl}), 
                 ToSView(null)
               )
             ), 

--- a/browser/components/loop/content/js/panel.jsx
+++ b/browser/components/loop/content/js/panel.jsx
@@ -50,17 +50,19 @@ loop.panel = (function(_, mozL10n) {
         tabs.push(
           <div key={i} className={cx({tab: true, selected: isSelected})}>
             {tab.props.children}
           </div>
         );
       }, this);
       return (
         <div className="tab-view-container">
-          <ul className="tab-view">{tabButtons}</ul>
+          {!this.props.buttonsHidden
+            ? <ul className="tab-view">{tabButtons}</ul>
+            : null}
           {tabs}
         </div>
       );
     }
   });
 
   var Tab = React.createClass({
     render: function() {
@@ -470,17 +472,22 @@ loop.panel = (function(_, mozL10n) {
           detailsButtonLabel: serviceError.error.friendlyDetailsButtonLabel,
         });
       } else {
         this.props.notifications.remove(this.props.notifications.get("service-error"));
       }
     },
 
     _onStatusChanged: function() {
-      this.setState({userProfile: navigator.mozLoop.userProfile});
+      var profile = navigator.mozLoop.userProfile;
+      if (profile != this.state.userProfile) {
+        // On profile change (login, logout), switch back to the default tab.
+        this.selectTab("call");
+      }
+      this.setState({userProfile: profile});
       this.updateServiceErrors();
     },
 
     startForm: function(name, contact) {
       this.refs[name].initForm(contact);
       this.selectTab(name);
     },
 
@@ -503,17 +510,17 @@ loop.panel = (function(_, mozL10n) {
     render: function() {
       var NotificationListView = sharedViews.NotificationListView;
       var displayName = this.state.userProfile && this.state.userProfile.email ||
                         __("display_name_guest");
       return (
         <div>
           <NotificationListView notifications={this.props.notifications}
                                 clearOnDocumentHidden={true} />
-          <TabView ref="tabView">
+          <TabView ref="tabView" buttonsHidden={!this.state.userProfile}>
             <Tab name="call">
               <div className="content-area">
                 <CallUrlResult client={this.props.client}
                                notifications={this.props.notifications}
                                callUrl={this.props.callUrl} />
                 <ToSView />
               </div>
             </Tab>