diff --git a/amd/src/studyplan-editor-components.js b/amd/src/studyplan-editor-components.js
index 6b42865..2a73301 100644
--- a/amd/src/studyplan-editor-components.js
+++ b/amd/src/studyplan-editor-components.js
@@ -699,7 +699,6 @@ export default {
                             <b-col cols="4">{{ text.studyplan_idnumber}}</b-col>
                             <b-col cols="8">
                                 <b-form-input v-model="editdata.idnumber" 
-                                :state='editdata.idnumber.length>0'
                                 :placeholder="text.studyplan_idnumber_ph"></b-form-input>
                             </b-col>
                         </b-row>                        <b-row>