diff --git a/mediarepo-api/src/tauri_plugin/commands/file.rs b/mediarepo-api/src/tauri_plugin/commands/file.rs
index ffb1cc8..538c92f 100644
--- a/mediarepo-api/src/tauri_plugin/commands/file.rs
+++ b/mediarepo-api/src/tauri_plugin/commands/file.rs
@@ -175,9 +175,7 @@ async fn resolve_subdir(entry: DirEntry) -> PluginResult<Vec<DirEntry>> {
 /// metadata for it
 #[tracing::instrument(level = "trace")]
 async fn retrieve_file_information(path: PathBuf) -> PluginResult<FileOSMetadata> {
-    let mime = mime_guess::from_path(&path)
-        .first()
-        .ok_or_else(|| format!("Could not guess mime for file {:?}", path))?;
+    let mime = mime_guess::from_path(&path).first();
     let metadata = fs::metadata(&path).await?;
     let creation_time = metadata.created()?;
     let change_time = metadata.modified()?;
@@ -188,7 +186,7 @@ async fn retrieve_file_information(path: PathBuf) -> PluginResult<FileOSMetadata
     let os_metadata = FileOSMetadata {
         path: path.to_string_lossy().to_string(),
         name: name.to_string_lossy().to_string(),
-        mime_type: mime.to_string(),
+        mime_type: mime.map(|m| m.to_string()),
         creation_time: system_time_to_naive_date_time(creation_time),
         change_time: system_time_to_naive_date_time(change_time),
     };
diff --git a/mediarepo-api/src/types/files.rs b/mediarepo-api/src/types/files.rs
index 3f03694..6b89079 100644
--- a/mediarepo-api/src/types/files.rs
+++ b/mediarepo-api/src/types/files.rs
@@ -89,7 +89,7 @@ pub struct FileMetadataResponse {
 pub struct FileOSMetadata {
     pub path: String,
     pub name: String,
-    pub mime_type: String,
+    pub mime_type: Option<String>,
     pub creation_time: NaiveDateTime,
     pub change_time: NaiveDateTime,
 }