diff --git a/insns/InsnRV32ISBType.py b/insns/InsnRV32ISBType.py
index dd19387..f100e71 100644
--- a/insns/InsnRV32ISBType.py
+++ b/insns/InsnRV32ISBType.py
@@ -6,7 +6,8 @@ RV32I SB-Type Instruction
 
 class InsnRV32ISBType(Insn):
     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)
+        super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA)
+        self.RISCV_FORMAL_COMPRESSED = RISCV_FORMAL_COMPRESSED
         self.funct3 = funct3
     def elaborate(self, platform):
         m = super().elaborate(platform)