diff --git a/resources/mime_types.yaml b/resources/mime_types.yaml
index 83abf2e5c..18a2c22b5 100644
--- a/resources/mime_types.yaml
+++ b/resources/mime_types.yaml
@@ -10,7 +10,7 @@ types:
   .ogg: audio/ogg 
   .oga: audio/ogg 
   .opus: audio/ogg 
-  .aac: audio/mp4 
+  .aac: audio/aac
   .alac: audio/mp4 
   .m4a: audio/mp4 
   .m4b: audio/mp4