diff --git a/plonkish_backend/src/circuits/poseidongadget/poseidon/pow5.rs b/plonkish_backend/src/circuits/poseidongadget/poseidon/pow5.rs
index 92b4202..dc299c7 100644
--- a/plonkish_backend/src/circuits/poseidongadget/poseidon/pow5.rs
+++ b/plonkish_backend/src/circuits/poseidongadget/poseidon/pow5.rs
@@ -915,7 +915,7 @@ mod tests {
     #[test]
     fn poseidon_hash() {
         let message = [
-            Fr::random(OsRng), 
+            Fr::random(OsRng),
             Fr::random(OsRng),
             Fr::random(OsRng),
             Fr::random(OsRng),