diff --git a/src/previews/mod.rs b/src/previews/mod.rs
index 2488b37..62effe7 100644
--- a/src/previews/mod.rs
+++ b/src/previews/mod.rs
@@ -69,7 +69,7 @@ impl PreviewStore {
                     Some(tm) if tm.starts_with("video") || tm == "application/x-matroska" => {
                         Ok(VideoPath(&file.path).get_thumbnail()?)
                     }
-                    Some(tm) if tm.starts_with("audio") => {
+                    Some(tm) if tm.starts_with("audio") || tm == "application/x-riff" => {
                         Ok(AudioPath(&file.path).get_thumbnail()?)
                     }
                     Some(tm) if tm.starts_with("image") => {
diff --git a/webui/src/components/display/BlobPreview.svelte b/webui/src/components/display/BlobPreview.svelte
index 3c1bd77..9a7e37e 100644
--- a/webui/src/components/display/BlobPreview.svelte
+++ b/webui/src/components/display/BlobPreview.svelte
@@ -9,7 +9,9 @@
 
   $: mimeType = String($entity?.get("FILE_MIME"));
 
-  $: audio = mimeType.startsWith("audio");
+  $: audio = ["audio", "application/x-riff"].some((p) =>
+    mimeType.startsWith(p)
+  );
   $: video = ["video", "application/x-matroska"].some((p) =>
     mimeType.startsWith(p)
   );