diff --git a/crates/puffin-installer/src/downloader.rs b/crates/puffin-installer/src/downloader.rs
index 91631c071..81e592909 100644
--- a/crates/puffin-installer/src/downloader.rs
+++ b/crates/puffin-installer/src/downloader.rs
@@ -153,7 +153,7 @@ impl<'a, Context: BuildContext + Send + Sync> Downloader<'a, Context> {
     }
 
     /// Download, build, and unzip a single wheel.
-    #[instrument(skip_all, fields(name = % dist, size = ? dist.size(), url = dist.file().unwrap().url))]
+    #[instrument(skip_all, fields(name = % dist, size = ? dist.size(), url = dist.file().map(|file| file.url.as_str()).unwrap_or_default()))]
     pub async fn get_wheel(
         &self,
         dist: Dist,