diff --git a/index.html b/index.html
index 6e5a238d..3047fcda 100644
--- a/index.html
+++ b/index.html
@@ -84,7 +84,7 @@ <h6 class="my-0">{{file.name}}</h6>
             </div>
           </div>
 
-          <button class="btn btn-primary btn-lg btn-block" ng-click="upload()" translate="INSTALL"></button>
+          <button class="btn btn-primary btn-lg btn-block" ng-click="upload()">{{ installText | translate }}</button>
         </div>
 
         <div class="col-md-8 order-md-1">
diff --git a/index.js b/index.js
index 3876d9ad..1d59621b 100644
--- a/index.js
+++ b/index.js
@@ -25,11 +25,32 @@ angular.module('nwas', ['ngSanitize', 'pascalprecht.translate']).controller('mai
   $scope.selectedApps = [];
   $scope.customFiles = [];
   $scope.webUSB = typeof navigator.usb !== 'undefined';
+  $scope.installText = "ERASE"
 
   $scope.reload = function reload() {
     document.location.reload();
   }
 
+  function reloadInstallText() {
+    if($scope.selectedApps.length > 0 || $scope.customFiles.length > 0 || $scope.wallpaper != null) {
+      $scope.installText = "ERASE_AND_INSTALL";
+    } else {
+      $scope.installText = "ERASE";
+    }
+  }
+
+  $scope.$watch('selectedApps', function() {
+    reloadInstallText();
+  }, true);
+
+  $scope.$watch('customFiles', function() {
+    reloadInstallText();
+  }, true);
+
+  $scope.$watch('wallpaper', function() {
+    reloadInstallText();
+  }, true);
+
   $scope.addApplication = function addApplication(app) {
     if($scope.selectedApps.indexOf(app) < 0) {
       $scope.selectedApps.push(app);
@@ -485,7 +506,8 @@ angular.module('nwas', ['ngSanitize', 'pascalprecht.translate']).controller('mai
       SELECTED_APPLICATIONS: 'Selected applications',
       REMOVE: 'Remove',
       CUSTOM_FILE: 'Custom file',
-      INSTALL: 'Install',
+      ERASE: 'Erase and ERASE_AND_INSTALL',
+      ERASE_AND_INSTALL: 'ERASE_AND_INSTALL',
       WALLPAPER: "Wallpaper",
       WALLPAPER_FILE: 'Image file',
       AVAILABLE_APPLICATIONS: 'Available applications',
@@ -519,7 +541,8 @@ angular.module('nwas', ['ngSanitize', 'pascalprecht.translate']).controller('mai
       SELECTED_APPLICATIONS: 'Applications sélectionnées',
       REMOVE: 'Supprimer',
       CUSTOM_FILE: 'Fichier local',
-      INSTALL: 'Installer',
+      ERASE: 'Effacer',
+      ERASE_AND_INSTALL: 'Effacer et installer',
       WALLPAPER: 'Fond d\'écran',
       WALLPAPER_FILE: 'Fichier image',
       AVAILABLE_APPLICATIONS: 'Applications disponibles',