diff --git a/insns/InsnRV32IITypeArith.py b/insns/InsnRV32IITypeArith.py
index 2c78a4b..5cf1116 100644
--- a/insns/InsnRV32IITypeArith.py
+++ b/insns/InsnRV32IITypeArith.py
@@ -5,8 +5,8 @@ RV32I I-Type Instruction (Arithmetic Variation)
 """
 
 class InsnRV32IITypeArith(InsnRV32IIType):
-    def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, funct3):
-        super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED)
+    def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, funct3):
+        super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA)
         self.funct3 = funct3
     def elaborate(self, platform):
         m = super().elaborate(platform)