diff --git a/addons/web/static/src/legacy/js/core/ajax.js b/addons/web/static/src/legacy/js/core/ajax.js
index bc0c40b9522..71484e5c9d8 100644
--- a/addons/web/static/src/legacy/js/core/ajax.js
+++ b/addons/web/static/src/legacy/js/core/ajax.js
@@ -97,11 +97,22 @@ function _genericJsonRpc (fct_name, params, settings, fct) {
     });
 
     // FIXME: jsonp?
-    promise.abort = function () {
-        rejection({
-            message: "XmlHttpRequestError abort",
-            event: $.Event('abort')
-        });
+    /**
+     * @param {Boolean} rejectError Returns an error if true. Allows you to cancel
+     *                  ignored rpc's in order to unblock the ui and not display an error.
+     */
+    promise.abort = function (rejectError = true) {
+        if (rejectError) {
+            rejection({
+                message: "XmlHttpRequestError abort",
+                event: $.Event('abort')
+            });
+        }
+
+        if (!shadow) {
+            core.bus.trigger('rpc_response');
+        }
+
         if (xhr.abort) {
             xhr.abort();
         }
diff --git a/addons/web/static/src/legacy/js/fields/relational_fields.js b/addons/web/static/src/legacy/js/fields/relational_fields.js
index faf94e7b057..d5de3734b5f 100644
--- a/addons/web/static/src/legacy/js/fields/relational_fields.js
+++ b/addons/web/static/src/legacy/js/fields/relational_fields.js
@@ -640,7 +640,10 @@ var FieldMany2One = AbstractField.extend({
             domain.push(['id', 'not in', blackListedIds]);
         }
 
-        const nameSearch = this._rpc({
+        if (this.lastNameSearch) {
+            this.lastNameSearch.abort(false)
+        }
+        this.lastNameSearch = this._rpc({
             model: this.field.relation,
             method: "name_search",
             kwargs: {
@@ -651,7 +654,7 @@ var FieldMany2One = AbstractField.extend({
                 context,
             }
         });
-        const results = await this.orderer.add(nameSearch);
+        const results = await this.orderer.add(this.lastNameSearch);
 
         // Format results to fit the options dropdown
         let values = results.map((result) => {
diff --git a/addons/web/static/tests/legacy/helpers/mock_server.js b/addons/web/static/tests/legacy/helpers/mock_server.js
index b3737fe7e8d..b1989eb4c6f 100644
--- a/addons/web/static/tests/legacy/helpers/mock_server.js
+++ b/addons/web/static/tests/legacy/helpers/mock_server.js
@@ -163,9 +163,11 @@ var MockServer = Class.extend({
         if (abort) {
             abort = abort.bind(def);
         } else {
-            abort = function () {
-                throw new Error("Can't abort this request");
-            };
+            abort = function (rejectError = true) {
+                if (rejectError) {
+                    throw new Error("XmlHttpRequestError abort");
+                }
+            }
         }
 
         def = def.then(function (result) {