diff --git a/src/cmd_u2fsign.rs b/src/cmd_u2fsign.rs
index e643504..0d05fc5 100644
--- a/src/cmd_u2fsign.rs
+++ b/src/cmd_u2fsign.rs
@@ -74,9 +74,8 @@ impl Command for CommandImpl {
             return simple_error!("Couldn't register: {:?}", e);
         }
 
-        let sign_result = sign_rx
-            .recv()
-            .expect("Problem receiving, unable to continue");
+        let sign_result = opt_result!(sign_rx.recv(),
+            "Problem receiving, unable to continue: {}");
         let (_, handle_used, sign_data, device_info) =
             opt_result!(sign_result, "Sign failed: {}");