diff --git a/apps/workflowengine/src/components/Checks/FileMimeType.vue b/apps/workflowengine/src/components/Checks/FileMimeType.vue
index 3027367fbb0..2e3ef4a0de5 100644
--- a/apps/workflowengine/src/components/Checks/FileMimeType.vue
+++ b/apps/workflowengine/src/components/Checks/FileMimeType.vue
@@ -51,6 +51,7 @@ export default {
 		NcSelect,
 	},
 	mixins: [
+		valueMixin
 	],
 
 	emits: ['update:model-value'],
@@ -79,7 +80,6 @@ export default {
 					id: 'application/pdf',
 				},
 			],
-			newValue: [],
 		}
 	},
 	props: {
@@ -88,9 +88,6 @@ export default {
 			default: '',
 		},
 	},
-	beforeMount() {
-		this.updateInternalValue()
-	},
 	computed: {
 		options() {
 			return [...this.predefinedTypes, this.customValue]
@@ -121,12 +118,7 @@ export default {
 			}
 		},
 	},
-	watch: {
-		modelValue() {
-			console.error("DEBUG: watch modelValue fileSystemTag")
-			this.updateInternalValue()
-		},
-	},
+
 	methods: {
 		validateRegex(string) {
 			const regexRegex = /^\/(.*)\/([gui]{0,3})$/
@@ -143,10 +135,6 @@ export default {
 			this.newValue = event.target.value || event.detail[0]
 			this.$emit('update:model-value', this.newValue)
 		},
-		updateInternalValue() {
-			console.error("DEBUG: updateInternalValue filemimetype " + this.modelValue)
-			this.newValue = this.modelValue
-		},
 	},
 }
 </script>
diff --git a/apps/workflowengine/src/mixins/valueMixin.js b/apps/workflowengine/src/mixins/valueMixin.js
index b34a2e13b5f..1293cd2483c 100644
--- a/apps/workflowengine/src/mixins/valueMixin.js
+++ b/apps/workflowengine/src/mixins/valueMixin.js
@@ -4,32 +4,19 @@
  */
 
 const valueMixin = {
-	props: {
-		value: {
-			type: String,
-			default: '',
-		},
-		check: {
-			type: Object,
-			default: () => { return {} },
-		},
-	},
 	data() {
 		return {
-			newValue: '',
+			newValue: [],
 		}
 	},
 	watch: {
-		value: {
-			immediate: true,
-			handler(value) {
-				this.updateInternalValue(value)
-			},
+		modelValue() {
+			this.updateInternalValue()
 		},
 	},
 	methods: {
-		updateInternalValue(value) {
-			this.newValue = value
+		updateInternalValue() {
+			this.newValue = this.modelValue
 		},
 	},
 }