diff --git a/ucs-4.0-0/management/univention-management-console-module-top/umc/js/top.js b/ucs-4.0-0/management/univention-management-console-module-top/umc/js/top.js
index 5ced3df..6fc02a2 100644
--- a/ucs-4.0-0/management/univention-management-console-module-top/umc/js/top.js
+++ b/ucs-4.0-0/management/univention-management-console-module-top/umc/js/top.js
@@ -66,8 +66,9 @@ define([
 			dialog.confirm(msg, [{
 				label: _('OK'),
 				callback: lang.hitch(this, function() {
-					this.umcpCommand('top/kill', params).then(lang.hitch(this, function() {
+					this.standbyDuring(this.umcpCommand('top/kill', params)).then(lang.hitch(this, function() {
 						this.addNotification(_('Signal (%s) sent successfully', signal));
+						this.reloadGrid();
 					}));
 				})
 			}, {
@@ -76,6 +77,10 @@ define([
 			}]);
 		},
 
+		reloadGrid: function() {
+			this._grid.filter(this._grid.query);
+		},
+
 		buildRendering: function() {
 			this.inherited(arguments);
 
diff --git a/ucs-4.0-0/management/univention-management-console-module-top/umc/python/top/__init__.py b/ucs-4.0-0/management/univention-management-console-module-top/umc/python/top/__init__.py
index 003cbf7..7a7221b 100644
--- a/ucs-4.0-0/management/univention-management-console-module-top/umc/python/top/__init__.py
+++ b/ucs-4.0-0/management/univention-management-console-module-top/umc/python/top/__init__.py
@@ -118,7 +118,7 @@ class Instance(umcm.Base):
 			success = True
 		else:
 			request.status = MODULE_ERR
-			failed = ', '.join(failed)
+			failed = ', '.join(map(str, failed))
 			message = _('No process found with PID %s') % (failed)
 			success = False
 		self.finished(request.id, success, message=message)