1 files changed, 2 insertions, 0 deletions
diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index ed18be034af..e8f4a3993fa 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -2499,6 +2499,8 @@ var BasicModel = AbstractModel.extend({
                 changes[fieldName] = value ?
                     this.localData[value].model + ',' + this.localData[value].res_id :
                     false;
+            } else if (type === 'char' && changes[fieldName] === '') {
+                changes[fieldName] = false;
             } else if (changes[fieldName] === null) {
                 changes[fieldName] = false;
             }