diff --git a/include/sv/arith_uint256.h b/include/sv/arith_uint256.h
index 0bd56175..7d927485 100644
--- a/include/sv/arith_uint256.h
+++ b/include/sv/arith_uint256.h
@@ -360,7 +360,7 @@ base_uint<BITS> &base_uint<BITS>::operator /= (const base_uint &b) {
 }
 
 template <unsigned int BITS>
-int base_uint<BITS>::CompareToj(const base_uint<BITS> &b) const {
+int base_uint<BITS>::CompareTo (const base_uint<BITS> &b) const {
     for (int i = WIDTH - 1; i >= 0; i--) {
         if (pn[i] < b.pn[i]) return -1;
         if (pn[i] > b.pn[i]) return 1;