diff --git a/src/bin/spamcontest.rs b/src/bin/spamcontest.rs
index 25a28e6..bd0c57c 100644
--- a/src/bin/spamcontest.rs
+++ b/src/bin/spamcontest.rs
@@ -30,7 +30,7 @@ async fn main() {
     {
         Ok(client) => client,
         Err(err) => {
-            error!("Unable to start client: {:?}", err);
+            error!("Unable to start client: {}", err);
             process::exit(2);
         }
     };