diff --git a/apps/workflowengine/src/components/Check.vue b/apps/workflowengine/src/components/Check.vue
index c15907852e..cfd0f034ad 100644
--- a/apps/workflowengine/src/components/Check.vue
+++ b/apps/workflowengine/src/components/Check.vue
@@ -121,6 +121,7 @@ export default {
 			this.deleteVisible = false
 		},
 		validate() {
+			this.valid = true
 			if (this.currentOption && this.currentOption.validate) {
 				this.valid = !!this.currentOption.validate(this.check)
 			}
diff --git a/apps/workflowengine/src/components/Rule.vue b/apps/workflowengine/src/components/Rule.vue
index 7796180be6..c6e23a8f18 100644
--- a/apps/workflowengine/src/components/Rule.vue
+++ b/apps/workflowengine/src/components/Rule.vue
@@ -19,7 +19,7 @@
 					type="button"
 					class="check--add"
 					value="Add a new filter"
-					@click="rule.checks.push({class: null, operator: null, value: null})">
+					@click="rule.checks.push({class: null, operator: null, value: ''})">
 			</p>
 		</div>
 		<div class="flow-icon icon-confirm" />