diff --git a/client/components/open/forms/components/CustomFieldValidation.vue b/client/components/open/forms/components/CustomFieldValidation.vue
index 4beb9dd6..bba669e2 100644
--- a/client/components/open/forms/components/CustomFieldValidation.vue
+++ b/client/components/open/forms/components/CustomFieldValidation.vue
@@ -68,7 +68,7 @@ export default {
         "field.id": {
             handler() {
                 // On field change, reset validation
-                this.validation = this.field.validation.error_conditions || {
+                this.validation = this.field?.validation?.error_conditions || {
                     conditions: null,
                     actions: [],
                 }