diff --git a/client/web/src/plugin/common/reg.ts b/client/web/src/plugin/common/reg.ts
index 547cdc24..5d55c3e6 100644
--- a/client/web/src/plugin/common/reg.ts
+++ b/client/web/src/plugin/common/reg.ts
@@ -148,7 +148,13 @@ export const [getMessageRender, regMessageRender] = buildRegFn<
 const defaultMessageTextDecorators = {
   url: (url: string, label?: string) => url,
   image: (plain: string, attrs: Record<string, unknown>) => plain,
-  card: (plain: string, payload: Record<string, unknown>) => plain,
+  card: (
+    plain: string,
+    payload: {
+      type: string;
+      [other: string]: unknown;
+    }
+  ) => plain,
   mention: (userId: string, userName: string) => `@${userName}`,
   emoji: (emojiCode: string) => emojiCode,
   serialize: (plain: string) => plain,