diff --git a/addons/web/static/src/legacy/legacy_fields.js b/addons/web/static/src/legacy/legacy_fields.js
index 13ba37903a4..b07205d26b7 100644
--- a/addons/web/static/src/legacy/legacy_fields.js
+++ b/addons/web/static/src/legacy/legacy_fields.js
@@ -328,7 +328,7 @@ function registerField(name, LegacyFieldWidget) {
                     mode: fieldInfo.viewMode,
                 },
                 viewType: legacyRecord.viewType,
-                mode: hasReadonlyModifier ? "readonly" : record.mode,
+                mode: this.props.readonly || hasReadonlyModifier ? "readonly" : record.mode,
                 hasReadonlyModifier,
             };
             return { name, record: legacyRecord, options };