diff --git a/crates/language_models/src/provider/openai_subscribed.rs b/crates/language_models/src/provider/openai_subscribed.rs
index 3cedf85ff2db8772949cc63084c76da9616e518e..ac623e11f039c333669da038a313553028b1dd2f 100644
--- a/crates/language_models/src/provider/openai_subscribed.rs
+++ b/crates/language_models/src/provider/openai_subscribed.rs
@@ -821,7 +821,10 @@ fn now_ms() -> u64 {
     SystemTime::now()
         .duration_since(UNIX_EPOCH)
         .map(|d| d.as_millis() as u64)
-        .unwrap_or(0)
+        .unwrap_or_else(|err| {
+            log::error!("System clock is before UNIX epoch: {err}");
+            0
+        })
 }
 
 fn do_sign_in(state: &Entity<State>, http_client: &Arc<dyn HttpClient>, cx: &mut App) {