diff --git a/frontend/app/services/conversion-service.js b/frontend/app/services/conversion-service.js
index 1b8a82fe14..06458920ef 100644
--- a/frontend/app/services/conversion-service.js
+++ b/frontend/app/services/conversion-service.js
@@ -33,6 +33,12 @@ module.exports = function() {
         return Math.round(bytes / 1000000);
       }
       return bytes;
+    },
+    kilobytes: function(bytes) {
+      if (angular.isNumber(bytes)) {
+        return Math.round(bytes / 1000);
+      }
+      return bytes;
     }
   };
 };
diff --git a/frontend/app/templates/work_packages/attachments.html b/frontend/app/templates/work_packages/attachments.html
index 8995019401..81e8634d45 100644
--- a/frontend/app/templates/work_packages/attachments.html
+++ b/frontend/app/templates/work_packages/attachments.html
@@ -8,7 +8,7 @@
   </div>
   <div data-ngf-drop data-ng-model="files" data-ng-model-rejected="rejectedFiles" data-ngf-select class="work-package--attachments--drop-box"
        data-ngf-multiple="true" data-ngf-allow-dir="true" data-ngf-keep-distinct data-ngf-max-size="{{::maximumFileSize}}"
-       data-ng-disabled="fetchingConfiguration" data-ngf-keep>
+       data-ng-disabled="fetchingConfiguration" data-ngf-keep="true">
     <p data-ng-hide="fetchingConfiguration" class="work-package--attachments--label">{{ ::I18n.t('js.label_drop_files') }}</p>
     <p data-ng-hide="fetchingConfiguration" class="work-package--attachments--hint">{{ ::I18n.t('js.label_drop_files_hint') }}</p>
     <p data-ng-show="fetchingConfiguration" class="work-package--attachments--label">{{ ::I18n.t('js.label_wait') }}</p>
@@ -18,7 +18,7 @@
     <ul>
       <li data-ng-repeat="file in files">
         <attachment-icon type="file.type"></attachment-icon>
-        <span class="filename">{{::file.name}}</span> <span class="filesize">({{::megabytes(file.size)}}MB)</span>
+        <span class="filename">{{::file.name}}</span> <span class="filesize">({{::kilobytes(file.size)}}kB)</span>
         <a data-ng-click="remove(file)" class="button -with-icon icon-delete -tiny" title="{{::I18n.t('js.label_remove_file')}}">{{::I18n.t('js.label_remove_file')}}</a>
       </li>
     </ul>
diff --git a/frontend/app/work_packages/directives/work-package-attachments-directive.js b/frontend/app/work_packages/directives/work-package-attachments-directive.js
index a090a0bcde..695f83b833 100644
--- a/frontend/app/work_packages/directives/work-package-attachments-directive.js
+++ b/frontend/app/work_packages/directives/work-package-attachments-directive.js
@@ -71,6 +71,7 @@ module.exports = function(
     scope.$on('uploadPendingAttachments', upload);
     scope.I18n = I18n;
     scope.megabytes = ConversionService.megabytes;
+    scope.kilobytes = ConversionService.kilobytes;
 
     scope.fetchingConfiguration = true;
     ConfigurationService.api().then(function(settings) {
diff --git a/frontend/app/work_packages/services/work-package-attachments-service.js b/frontend/app/work_packages/services/work-package-attachments-service.js
index 39388385e5..9dcc93952e 100644
--- a/frontend/app/work_packages/services/work-package-attachments-service.js
+++ b/frontend/app/work_packages/services/work-package-attachments-service.js
@@ -83,7 +83,7 @@ module.exports = function(Upload, PathHelper, I18n, NotificationsService, $q, $t
         removal.resolve(fileOrAttachment);
       }).error(function(err) {
         removal.reject(err);
-      })
+      });
     } else {
       removal.resolve(fileOrAttachment);
     }