diff --git a/app/embeds/Lucidchart.js b/app/embeds/Lucidchart.js
index acb40037f..9c5ee01c2 100644
--- a/app/embeds/Lucidchart.js
+++ b/app/embeds/Lucidchart.js
@@ -2,7 +2,7 @@
 import * as React from "react";
 import Frame from "./components/Frame";
 
-const URL_REGEX = /^https?:\/\/(www\.)?lucidchart.com\/documents\/(embeddedchart|view)\/([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})(?:\/.*)?$/;
+const URL_REGEX = /^https?:\/\/(www\.|app\.)?lucidchart.com\/documents\/(embeddedchart|view)\/([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})(?:\/.*)?$/;
 
 type Props = {|
   attrs: {|
diff --git a/app/embeds/Lucidchart.test.js b/app/embeds/Lucidchart.test.js
index d4922d11f..dc1a57d9a 100644
--- a/app/embeds/Lucidchart.test.js
+++ b/app/embeds/Lucidchart.test.js
@@ -10,7 +10,20 @@ describe("Lucidchart", () => {
       )
     ).toBeTruthy();
   });
-
+  test("to be enabled on root link", () => {
+    expect(
+      "https://lucidchart.com/documents/view/2f4a79cb-7637-433d-8ffb-27cce65a05e7".match(
+        match
+      )
+    ).toBeTruthy();
+  });
+  test("to be enabled on app link", () => {
+    expect(
+      "https://app.lucidchart.com/documents/view/2f4a79cb-7637-433d-8ffb-27cce65a05e7".match(
+        match
+      )
+    ).toBeTruthy();
+  });
   test("to be enabled on visited link", () => {
     expect(
       "https://www.lucidchart.com/documents/view/2f4a79cb-7637-433d-8ffb-27cce65a05e7/0".match(
@@ -18,9 +31,17 @@ describe("Lucidchart", () => {
       )
     ).toBeTruthy();
   });
+  test("to be enabled on embedded link", () => {
+    expect(
+      "https://app.lucidchart.com/documents/embeddedchart/1af2bdfa-da7d-4ea1-aa1d-bec5677a9837".match(
+        match
+      )
+    ).toBeTruthy();
+  });
 
   test("to not be enabled elsewhere", () => {
     expect("https://lucidchart.com".match(match)).toBe(null);
+    expect("https://app.lucidchart.com".match(match)).toBe(null);
     expect("https://www.lucidchart.com".match(match)).toBe(null);
     expect("https://www.lucidchart.com/features".match(match)).toBe(null);
     expect("https://www.lucidchart.com/documents/view".match(match)).toBe(null);