diff --git a/src/scheduler.rs b/src/scheduler.rs
index c336bbb29..ca1c7e590 100644
--- a/src/scheduler.rs
+++ b/src/scheduler.rs
@@ -454,10 +454,12 @@ async fn inbox_fetch_idle(ctx: &Context, imap: &mut Imap, mut session: Session)
         .update_metadata(ctx)
         .await
         .context("update_metadata")?;
-    session
-        .register_token(ctx)
-        .await
-        .context("Failed to register push token")?;
+    if let Err(err) = session.register_token(ctx).await {
+        warn!(
+            ctx,
+            "Transport {transport_id}: Failed to register push token: {err:#}."
+        );
+    }
 
     let session = fetch_idle(ctx, imap, session).await?;
     Ok(session)