diff --git a/addons/web/static/src/views/fields/relational_utils.js b/addons/web/static/src/views/fields/relational_utils.js
index 9e6d855dc9a..2a41ca35c98 100644
--- a/addons/web/static/src/views/fields/relational_utils.js
+++ b/addons/web/static/src/views/fields/relational_utils.js
@@ -752,13 +752,16 @@ export function useOpenX2ManyRecord({
 export function useX2ManyCrud(getList, isMany2Many) {
     let saveRecord;
     if (isMany2Many) {
-        saveRecord = (object) => {
+        saveRecord = async (object) => {
             const list = getList();
             const currentIds = list.currentIds;
             let resIds;
             if (Array.isArray(object)) {
                 resIds = [...currentIds, ...object];
             } else if (object.resId) {
+                if (object.isDirty) {
+                   await object.save();
+                }
                 resIds = [...currentIds, object.resId];
             } else {
                 return list.add(object, { isM2M: isMany2Many });
diff --git a/addons/web/static/tests/views/fields/many2many_field_tests.js b/addons/web/static/tests/views/fields/many2many_field_tests.js
index 3f77e695226..0c4a911a810 100644
--- a/addons/web/static/tests/views/fields/many2many_field_tests.js
+++ b/addons/web/static/tests/views/fields/many2many_field_tests.js
@@ -740,16 +740,18 @@ QUnit.module("Fields", (hooks) => {
                 ["Save & Close", "Save & New", "Discard"]
             );
 
+            await editInput(modal, "[name='display_name'] input", "Hello (edited)");
+
             await click(modal.querySelector(".modal-footer button"));
             assert.containsNone(target, ".modal");
             assert.deepEqual(
                 [...target.querySelectorAll("[name='timmy'] .o_data_row")].map(
                     (row) => row.textContent
                 ),
-                ["Hello"]
+                ["Hello (edited)"]
             );
 
-            assert.verifySteps(["create", "read", "action: myaction", "read"]);
+            assert.verifySteps(["create", "read", "action: myaction", "write", "read", "read"]);
         }
     );