diff --git a/insns/InsnRV32IUType.py b/insns/InsnRV32IUType.py
index 4016206..abea3a1 100644
--- a/insns/InsnRV32IUType.py
+++ b/insns/InsnRV32IUType.py
@@ -5,8 +5,8 @@ RV32I U-Type Instruction
 """
 
 class InsnRV32IUType(Insn):
-    def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, RISCV_FORMAL_COMPRESSED, opcode):
-        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, opcode):
+        super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA)
         self.opcode = opcode
     def elaborate(self, platform):
         m = super().elaborate(platform)