diff --git a/homeassistant/components/immich/media_source.py b/homeassistant/components/immich/media_source.py
index c636fda879a..caf8264895b 100644
--- a/homeassistant/components/immich/media_source.py
+++ b/homeassistant/components/immich/media_source.py
@@ -153,49 +153,40 @@ class ImmichMediaSource(MediaSource):
         except ImmichError:
             return []
 
-        ret = [
-            BrowseMediaSource(
-                domain=DOMAIN,
-                identifier=(
-                    f"{identifier.unique_id}|albums|"
-                    f"{identifier.collection_id}|"
-                    f"{asset.asset_id}|"
-                    f"{asset.original_file_name}|"
-                    f"{mime_type}"
-                ),
-                media_class=MediaClass.IMAGE,
-                media_content_type=mime_type,
-                title=asset.original_file_name,
-                can_play=False,
-                can_expand=False,
-                thumbnail=f"/immich/{identifier.unique_id}/{asset.asset_id}/thumbnail/{mime_type}",
-            )
-            for asset in album_info.assets
-            if (mime_type := asset.original_mime_type)
-            and mime_type.startswith("image/")
-        ]
+        ret: list[BrowseMediaSource] = []
+        for asset in album_info.assets:
+            if not (mime_type := asset.original_mime_type) or not mime_type.startswith(
+                ("image/", "video/")
+            ):
+                continue
 
-        ret.extend(
-            BrowseMediaSource(
-                domain=DOMAIN,
-                identifier=(
-                    f"{identifier.unique_id}|albums|"
-                    f"{identifier.collection_id}|"
-                    f"{asset.asset_id}|"
-                    f"{asset.original_file_name}|"
-                    f"{mime_type}"
-                ),
-                media_class=MediaClass.VIDEO,
-                media_content_type=mime_type,
-                title=asset.original_file_name,
-                can_play=True,
-                can_expand=False,
-                thumbnail=f"/immich/{identifier.unique_id}/{asset.asset_id}/thumbnail/image/jpeg",
+            if mime_type.startswith("image/"):
+                media_class = MediaClass.IMAGE
+                can_play = False
+                thumb_mime_type = mime_type
+            else:
+                media_class = MediaClass.VIDEO
+                can_play = True
+                thumb_mime_type = "image/jpeg"
+
+            ret.append(
+                BrowseMediaSource(
+                    domain=DOMAIN,
+                    identifier=(
+                        f"{identifier.unique_id}|albums|"
+                        f"{identifier.collection_id}|"
+                        f"{asset.asset_id}|"
+                        f"{asset.original_file_name}|"
+                        f"{mime_type}"
+                    ),
+                    media_class=media_class,
+                    media_content_type=mime_type,
+                    title=asset.original_file_name,
+                    can_play=can_play,
+                    can_expand=False,
+                    thumbnail=f"/immich/{identifier.unique_id}/{asset.asset_id}/thumbnail/{thumb_mime_type}",
+                )
             )
-            for asset in album_info.assets
-            if (mime_type := asset.original_mime_type)
-            and mime_type.startswith("video/")
-        )
 
         return ret