diff --git a/jest.config.ts b/jest.config.ts
index 326f2040d9..44b54440e1 100644
--- a/jest.config.ts
+++ b/jest.config.ts
@@ -37,7 +37,7 @@ const config: Config = {
         "recorderWorkletFactory": "<rootDir>/__mocks__/empty.js",
         "^fetch-mock$": "<rootDir>/node_modules/fetch-mock",
     },
-    transformIgnorePatterns: ["/node_modules/(?!(mime|matrix-js-sdk)).+$"],
+    transformIgnorePatterns: ["/node_modules/(?!(is-ip|mime|matrix-js-sdk)).+$"],
     collectCoverageFrom: [
         "<rootDir>/src/**/*.{js,ts,tsx}",
         // getSessionLock is piped into a different JS context via stringification, and the coverage functionality is
diff --git a/src/utils/permalinks/Permalinks.ts b/src/utils/permalinks/Permalinks.ts
index 9ecbf00b68..179885e6d9 100644
--- a/src/utils/permalinks/Permalinks.ts
+++ b/src/utils/permalinks/Permalinks.ts
@@ -6,7 +6,7 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
-import isIp from "is-ip";
+import { isIP } from "is-ip";
 import * as utils from "matrix-js-sdk/src/utils";
 import { Room, MatrixClient, RoomStateEvent, EventType } from "matrix-js-sdk/src/matrix";
 import { KnownMembership } from "matrix-js-sdk/src/types";
@@ -491,7 +491,7 @@ function isHostnameIpAddress(hostname: string): boolean {
         hostname = hostname.substring(1, hostname.length - 1);
     }
 
-    return isIp(hostname);
+    return isIP(hostname);
 }
 
 export const calculateRoomVia = (room: Room): string[] => {