diff --git a/apps/workflowengine/js/admin.js b/apps/workflowengine/js/admin.js
index ab122a8cd6..3a453befb8 100644
--- a/apps/workflowengine/js/admin.js
+++ b/apps/workflowengine/js/admin.js
@@ -248,6 +248,7 @@
 					var check = OCA.WorkflowEngine.getCheckByClass(value);
 					if (!_.isUndefined(check)) {
 						checks[id]['operator'] = check['operators'][0]['operator'];
+						checks[id]['value'] = '';
 					}
 				}
 				// model change will trigger render