diff --git a/evm/src/cpu/kernel/assembler.rs b/evm/src/cpu/kernel/assembler.rs
index da71d5ce..0471bf99 100644
--- a/evm/src/cpu/kernel/assembler.rs
+++ b/evm/src/cpu/kernel/assembler.rs
@@ -562,7 +562,7 @@ mod tests {
 
         let kernel = parse_and_assemble(&["%stack (a, b, c) -> (b)"]);
         assert_eq!(kernel.code, vec![pop, swap1, pop]);
-        
+
         let kernel = parse_and_assemble(&["%stack (a, b: 3, c) -> (c)"]);
         assert_eq!(kernel.code, vec![pop, pop, pop, pop]);