diff --git a/server/src/models.rs b/server/src/models.rs
index c93a310..889c880 100644
--- a/server/src/models.rs
+++ b/server/src/models.rs
@@ -269,6 +269,7 @@ pub struct TerminalHistory {
     pub command: String,
     pub exit_code: i32,
     pub cwd: String,
+    #[serde(default)]
     pub os: String,
     pub timestamp: u64,
 }