diff --git a/js/controllers/open.js b/js/controllers/open.js
index af7b0ad10..019932988 100644
--- a/js/controllers/open.js
+++ b/js/controllers/open.js
@@ -45,6 +45,7 @@ angular.module('copayApp.controllers').controller('OpenController', function($sc
         $rootScope.$digest();
         return;
       }
+      $rootScope.updatingBalance = true;
       controllerUtils.startNetwork(w, $scope);
     });
   };
diff --git a/views/includes/sidebar-mobile.html b/views/includes/sidebar-mobile.html
index 6d1613595..f71e5cf7a 100644
--- a/views/includes/sidebar-mobile.html
+++ b/views/includes/sidebar-mobile.html
@@ -15,7 +15,7 @@
         </span>
         <span ng-if="!$root.updatingBalance"
           data-options="disable_for_touch:true"
-          tooltip="{{totalBalanceBTC || 0 |noFractionNumber:8}} BTC"
+          tooltip="{{totalBalanceBTC |noFractionNumber:8}} BTC"
           tooltip-trigger="mouseenter"
           tooltip-placement="bottom">{{totalBalance || 0
           |noFractionNumber}} {{$root.unitName}} 
@@ -28,7 +28,7 @@
         </span>
         <span ng-show="!$root.updatingBalance"
           data-options="disable_for_touch:true"
-          tooltip="{{lockedBalanceBTC || 0 |noFractionNumber:8}} BTC"
+          tooltip="{{lockedBalanceBTC |noFractionNumber:8}} BTC"
           tooltip-trigger="mouseenter"
           tooltip-placement="bottom">{{lockedBalance || 0|noFractionNumber}} {{$root.unitName}}
         </span> &nbsp;<i class="fi-info medium" tooltip="Balance locked in pending transaction proposals" tooltip-placement="bottom"></i>
diff --git a/views/includes/sidebar.html b/views/includes/sidebar.html
index 05c6a6d7e..a22bb2475 100644
--- a/views/includes/sidebar.html
+++ b/views/includes/sidebar.html
@@ -24,7 +24,7 @@
         class="has-tip"
         data-options="disable_for_touch:true"
         tooltip-popup-delay='500'
-        tooltip="{{totalBalanceBTC || 0 |noFractionNumber:8}} BTC"
+        tooltip="{{totalBalanceBTC |noFractionNumber:8}} BTC"
         tooltip-trigger="mouseenter"
         tooltip-placement="bottom">{{totalBalance || 0
         |noFractionNumber}} {{$root.unitName}} 
@@ -38,7 +38,7 @@
         class="has-tip"
         data-options="disable_for_touch:true"
         tooltip-popup-delay='500'
-        tooltip="{{lockedBalanceBTC || 0 |noFractionNumber:8}} BTC"
+        tooltip="{{lockedBalanceBTC |noFractionNumber:8}} BTC"
         tooltip-trigger="mouseenter"
         tooltip-placement="bottom">{{lockedBalance || 0|noFractionNumber}} {{$root.unitName}}
       </span> &nbsp;<i class="fi-info medium" tooltip="Balance locked in pending transaction proposals" tooltip-placement="bottom"></i>