diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 892cac477c9..899dfd53da3 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -3072,6 +3072,15 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 }
             }
         });
+
+        // Autocomplete close on dialog content scroll
+        var close_autocomplete = _.debounce(function() {
+            if (self.$input.autocomplete("widget").is(":visible")) {
+                self.$input.autocomplete("close");
+            }
+        }, 50);
+        this.$input.closest(".ui-dialog .ui-dialog-content").on('scroll', this, close_autocomplete);
+
         self.ed_def = $.Deferred();
         self.uned_def = $.Deferred();
         var ed_delay = 200;