diff --git a/evm/src/cpu/kernel/tests/ripemd.rs b/evm/src/cpu/kernel/tests/ripemd.rs
index 3da46c42..79e93d4c 100644
--- a/evm/src/cpu/kernel/tests/ripemd.rs
+++ b/evm/src/cpu/kernel/tests/ripemd.rs
@@ -35,7 +35,7 @@ fn test_ripemd() -> Result<()> {
         (
             "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
             "0x9b752e45573d4b39f4dbd3323cab82bf63326bfb",
-        )
+        ),
     ];
 
     for (x, y) in reference {