diff --git a/api/funkwhale_api/music/filters.py b/api/funkwhale_api/music/filters.py
index ca22467cb..feae9b81c 100644
--- a/api/funkwhale_api/music/filters.py
+++ b/api/funkwhale_api/music/filters.py
@@ -29,7 +29,11 @@ class ChannelFilterSet(filters.FilterSet):
         if not value:
             return queryset
 
-        channel = audio_models.Channel.objects.filter(uuid=value).first()
+        channel = (
+            audio_models.Channel.objects.filter(uuid=value)
+            .select_related("library")
+            .first()
+        )
 
         if not channel:
             return queryset.none()
@@ -38,7 +42,7 @@ class ChannelFilterSet(filters.FilterSet):
         actor = utils.get_actor_from_request(self.request)
         uploads = uploads.playable_by(actor)
         ids = uploads.values_list(self.Meta.channel_filter_field, flat=True)
-        return queryset.filter(pk__in=ids)
+        return queryset.filter(pk__in=ids).distinct()
 
 
 class LibraryFilterSet(filters.FilterSet):
diff --git a/api/funkwhale_api/music/utils.py b/api/funkwhale_api/music/utils.py
index 599e4ae4d..14f245aaa 100644
--- a/api/funkwhale_api/music/utils.py
+++ b/api/funkwhale_api/music/utils.py
@@ -38,6 +38,7 @@ def compute_status(jobs):
 
 AUDIO_EXTENSIONS_AND_MIMETYPE = [
     # keep the most correct mimetype for each extension at the bottom
+    ("mp3", "audio/mp3"),
     ("mp3", "audio/mpeg3"),
     ("mp3", "audio/x-mp3"),
     ("mp3", "audio/mpeg"),
diff --git a/front/src/views/channels/DetailEpisodes.vue b/front/src/views/channels/DetailEpisodes.vue
index ab5920eb4..7535d7edf 100644
--- a/front/src/views/channels/DetailEpisodes.vue
+++ b/front/src/views/channels/DetailEpisodes.vue
@@ -1,6 +1,6 @@
 <template>
   <section>
-    <channel-entries :limit="25" :filters="{channel: object.uuid, ordering: '-creation_date', playable: 'true'}">
+    <channel-entries :limit="25" :filters="{channel: object.uuid, ordering: '-creation_date'}">
     </channel-entries>
   </section>
 </template>
diff --git a/front/src/views/channels/DetailOverview.vue b/front/src/views/channels/DetailOverview.vue
index 9d35b1d17..8a739028a 100644
--- a/front/src/views/channels/DetailOverview.vue
+++ b/front/src/views/channels/DetailOverview.vue
@@ -49,7 +49,7 @@
         :can-update="false"></rendered-description>
         <div class="ui hidden divider"></div>
     </div>
-    <channel-entries :key="String(episodesKey) + 'entries'" :filters="{channel: object.uuid, ordering: '-creation_date', playable: 'true'}">
+    <channel-entries :key="String(episodesKey) + 'entries'" :filters="{channel: object.uuid, ordering: '-creation_date'}">
       <h2 class="ui header">
         <translate translate-context="Content/Channel/Paragraph">Latest episodes</translate>
       </h2>