diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 711f34fd279..bbdabd15791 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -3146,6 +3146,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
         instance.web.form.CompletionFieldMixin.init.call(this);
         this.set({'value': false});
         this.display_value = {};
+        this.display_value_backup = {};
         this.last_search = [];
         this.floating = false;
         this.current_display = null;
@@ -3229,6 +3230,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
             );
             pop.on('write_completed', self, function(){
                 self.display_value = {};
+                self.display_value_backup = {};
                 self.render_value();
                 self.focus();
             });
@@ -3279,6 +3281,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 if (self.last_search.length > 0) {
                     if (self.last_search[0][0] != self.get("value")) {
                         self.display_value = {};
+                        self.display_value_backup = {};
                         self.display_value["" + self.last_search[0][0]] = self.last_search[0][1];
                         self.reinit_value(self.last_search[0][0]);
                     } else {
@@ -3344,6 +3347,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 var item = ui.item;
                 if (item.id) {
                     self.display_value = {};
+                    self.display_value_backup = {};
                     self.display_value["" + item.id] = item.name;
                     self.reinit_value(item.id);
                 } else if (item.action) {
@@ -3390,10 +3394,10 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 self.display_value["" + self.get("value")] = data[0][1];
                 self.render_value(true);
             }).fail( function (data, event) {
-                // avoid displaying crash errors when having an invisible field
-                if (self.get('effective_invisible')) {
-                    event.preventDefault();
-                }
+                // avoid displaying crash errors as many2One should be name_get compliant
+                event.preventDefault();
+                self.display_value["" + self.get("value")] = self.display_value_backup["" + self.get("value")];
+                self.render_value(true);
             });
         }
     },
@@ -3437,9 +3441,13 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
         var self = this;
         if (value_ instanceof Array) {
             this.display_value = {};
+            this.display_value_backup = {}
             if (! this.options.always_reload) {
                 this.display_value["" + value_[0]] = value_[1];
             }
+            else {
+                this.display_value_backup["" + value_[0]] = value_[1];
+            }
             value_ = value_[0];
         }
         value_ = value_ || false;
@@ -3450,6 +3458,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
     },
     add_id: function(id) {
         this.display_value = {};
+        this.display_value_backup = {};
         this.reinit_value(id);
     },
     is_false: function() {