diff --git a/optimism/src/mips/interpreter.rs b/optimism/src/mips/interpreter.rs
index d8d24185c2..1f427b467f 100644
--- a/optimism/src/mips/interpreter.rs
+++ b/optimism/src/mips/interpreter.rs
@@ -552,7 +552,7 @@ pub fn interpret_rtype<Env: InterpreterEnv>(env: &mut Env, instr: RTypeInstructi
             env.set_instruction_pointer(next_instruction_pointer.clone());
             env.set_next_instruction_pointer(next_instruction_pointer + Env::constant(4u32));
             return;
-        },
+        }
         RTypeInstruction::AddUnsigned => {
             let rs = env.read_register(&rs);
             let rt = env.read_register(&rt);
@@ -560,7 +560,7 @@ pub fn interpret_rtype<Env: InterpreterEnv>(env: &mut Env, instr: RTypeInstructi
             env.set_instruction_pointer(next_instruction_pointer.clone());
             env.set_next_instruction_pointer(next_instruction_pointer + Env::constant(4u32));
             return;
-        },
+        }
         RTypeInstruction::Sub => (),
         RTypeInstruction::SubUnsigned => (),
         RTypeInstruction::And => (),