diff --git a/src/bin/topola-egui/file_receiver.rs b/src/bin/topola-egui/file_receiver.rs
index 2a892d3..4e2e00a 100644
--- a/src/bin/topola-egui/file_receiver.rs
+++ b/src/bin/topola-egui/file_receiver.rs
@@ -19,6 +19,6 @@ impl<'a> FileReceiver<'a> {
 
     #[cfg(target_arch = "wasm32")]
     pub fn try_recv(&mut self) -> Result<Cursor<Vec<u8>>, TryRecvError> {
-        Ok(Cursor::new(self.receiver.try_recv().unwrap().into()))
+        Ok(Cursor::new(self.receiver.try_recv()?.into()))
     }
 }