diff --git a/integration/src/erc20.rs b/integration/src/erc20.rs
index dc045d7d..7f9102c8 100644
--- a/integration/src/erc20.rs
+++ b/integration/src/erc20.rs
@@ -8,7 +8,12 @@ async fn mint() -> Result<()> {
     let Infrastructure { alice, bob } = Infrastructure::<Erc20>::new().await?;
     // TODO: have a nicer support for custom constructors
     let _ = alice
-        .constructor("MyErc20".to_string(), "MRC".to_string(), U256::from(10), false)
+        .constructor(
+            "MyErc20".to_string(),
+            "MRC".to_string(),
+            U256::from(10),
+            false,
+        )
         .ctx_send()
         .await?;
     let one = U256::from(1);