diff --git a/src/util/bip158.rs b/src/util/bip158.rs
index 6dc3b496..1dc67ca1 100644
--- a/src/util/bip158.rs
+++ b/src/util/bip158.rs
@@ -519,7 +519,7 @@ mod test {
     use super::*;
 
     extern crate serde_json;
-    use self::serde_json::{Value};
+    use self::serde_json::Value;
 
     use consensus::encode::deserialize;
     use std::collections::HashMap;