diff --git a/src-tauri/src/commands/project.rs b/src-tauri/src/commands/project.rs
index 6068c15..91ee02e 100644
--- a/src-tauri/src/commands/project.rs
+++ b/src-tauri/src/commands/project.rs
@@ -12,7 +12,12 @@ use crate::state::AppState;
 pub struct ProjectFile {
     pub version: u32,
     pub name: String,
-    pub audio_file: String,
+    #[serde(default)]
+    pub audio_file: Option<String>,
+    #[serde(default)]
+    pub source_file: Option<String>,
+    #[serde(default)]
+    pub audio_wav: Option<String>,
     pub created_at: String,
     pub segments: Vec<ProjectFileSegment>,
     pub speakers: Vec<ProjectFileSpeaker>,