diff --git a/document_url/readme/CONTRIBUTORS.rst b/document_url/readme/CONTRIBUTORS.rst
index ad7a42c2..baf37eff 100644
--- a/document_url/readme/CONTRIBUTORS.rst
+++ b/document_url/readme/CONTRIBUTORS.rst
@@ -6,3 +6,4 @@
   * Manuel Calero
   * Víctor Martínez
   * Matias Peralta - Adhoc SA
+* Emilio Pascual (`Moduon <https://www.moduon.team/>`__)
diff --git a/document_url/static/src/js/url.esm.js b/document_url/static/src/js/url.esm.js
index 99f5a4fb..d6f0a1cd 100644
--- a/document_url/static/src/js/url.esm.js
+++ b/document_url/static/src/js/url.esm.js
@@ -1,5 +1,6 @@
 /** @odoo-module **/
 
+import {Activity} from "@mail/components/activity/activity";
 import {AttachmentBox} from "@mail/components/attachment_box/attachment_box";
 import {AttachmentCard} from "@mail/components/attachment_card/attachment_card";
 import {patch} from "web.utils";
@@ -47,3 +48,33 @@ patch(AttachmentCard.prototype, "document_url/static/src/js/url.js", {
         });
     },
 });
+
+patch(Activity.prototype, "document_url/static/src/js/url.js", {
+    _onAddUrl(event) {
+        event.preventDefault();
+        event.stopPropagation();
+        this.env.bus.trigger("do-action", {
+            action: "document_url.action_ir_attachment_add_url",
+            options: {
+                additional_context: {
+                    active_id: this.messaging.models["mail.activity"].get(
+                        this.props.activityLocalId
+                    ).thread.id,
+                    active_ids: [
+                        this.messaging.models["mail.activity"].get(
+                            this.props.activityLocalId
+                        ).thread.id,
+                    ],
+                    active_model: this.messaging.models["mail.activity"].get(
+                        this.props.activityLocalId
+                    ).thread.model,
+                },
+                on_close: this._onAddedUrl.bind(this),
+            },
+        });
+    },
+    async _onAddedUrl() {
+        await this.activity.markAsDone({attachments: []});
+        this.trigger("o-attachments-changed");
+    },
+});
diff --git a/document_url/static/src/xml/url.xml b/document_url/static/src/xml/url.xml
index 42712d59..d492f7ed 100644
--- a/document_url/static/src/xml/url.xml
+++ b/document_url/static/src/xml/url.xml
@@ -54,4 +54,19 @@
             </a>
         </xpath>
     </t>
+
+    <t t-inherit="mail.Activity" t-inherit-mode="extension" owl="1">
+        <xpath
+            expr="//div[hasclass('o_Activity_tools')]//t[2]/FileUploader"
+            position="after"
+        >
+            <button
+                type="button"
+                class="o_Activity_toolButton o_Activity_uploadButton btn btn-link"
+                t-on-click="_onAddUrl"
+            >
+                <i class="fa fa-link" /> Link document by URL</button>
+        </xpath>
+    </t>
+
 </templates>