diff --git a/lib/shared/messages/multimedia-message-spec.js b/lib/shared/messages/multimedia-message-spec.js
--- a/lib/shared/messages/multimedia-message-spec.js
+++ b/lib/shared/messages/multimedia-message-spec.js
@@ -9,6 +9,11 @@
 } from '../../media/media-utils';
 import type { PlatformDetails } from '../../types/device-types';
 import type { Media, Video, Image } from '../../types/media-types';
+import {
+  messageTypes,
+  assertMessageType,
+  isMediaMessageType,
+} from '../../types/message-types';
 import type {
   MessageInfo,
   RawMessageInfo,
@@ -16,7 +21,6 @@
   MultimediaMessageInfo,
   ClientDBMessageInfo,
 } from '../../types/message-types';
-import { messageTypes, assertMessageType } from '../../types/message-types';
 import type {
   ImagesMessageData,
   RawImagesMessageInfo,
@@ -80,9 +84,8 @@
     clientDBMessageInfo: ClientDBMessageInfo,
   ): RawImagesMessageInfo {
     invariant(
-      assertMessageType(parseInt(clientDBMessageInfo.type)) ===
-        messageTypes.IMAGES,
-      'message must be of type IMAGES',
+      isMediaMessageType(assertMessageType(parseInt(clientDBMessageInfo.type))),
+      'message must be of type IMAGES or MULTIMEDIA',
     );
     invariant(
       clientDBMessageInfo.media_infos !== null &&