diff --git a/src/view/form.js b/src/view/form.js
index 352f0d652d..d560b4faff 100644
--- a/src/view/form.js
+++ b/src/view/form.js
@@ -722,8 +722,8 @@ function eval_pyson(value){
             } else {
                 state_changes = {};
             }
-            if ((field && field.description.readonly) ||
-                    state_changes.readonly) {
+            if (state_changes.readonly === undefined) {
+                state_changes.readonly = !field;
             }
             Sao.common.apply_label_attributes(
                     this.label_el,