diff --git a/vrobbler/apps/scrobbles/signals.py b/vrobbler/apps/scrobbles/signals.py
index df87b3f..054ff35 100644
--- a/vrobbler/apps/scrobbles/signals.py
+++ b/vrobbler/apps/scrobbles/signals.py
@@ -18,7 +18,7 @@ def update_charts_on_scrobble_complete(sender, instance, **kwargs):
     if instance.timestamp is None:
         return
 
-    if instance.media_type not in MEDIA_TYPES:
+    if instance.media_type.lower() not in MEDIA_TYPES:
         return
 
     _update_charts_for_timestamp(instance.user, instance.timestamp)
@@ -29,7 +29,7 @@ def update_charts_on_scrobble_delete(sender, instance, **kwargs):
     if instance.timestamp is None:
         return
 
-    if instance.media_type not in MEDIA_TYPES:
+    if instance.media_type.lower() not in MEDIA_TYPES:
         return
 
     _update_charts_for_timestamp(instance.user, instance.timestamp)