diff --git a/insns/InsnSll.py b/insns/InsnSll.py
index 5b55dbf..e559e6a 100644
--- a/insns/InsnSll.py
+++ b/insns/InsnSll.py
@@ -5,8 +5,8 @@ SLL instruction
 """
 
 class InsnSll(InsnRV32IRType):
-    def __init__(self, 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, RISCV_FORMAL_COMPRESSED, 0b0000000, 0b001, 0b0110011)
+    def __init__(self, RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA):
+        super().__init__(RISCV_FORMAL_ILEN, RISCV_FORMAL_XLEN, RISCV_FORMAL_CSR_MISA, 0b0000000, 0b001, 0b0110011)
     def elaborate(self, platform):
         m = super().elaborate(platform)