@@ -117,7 +117,8 @@ static int read_tables20(int fd, unpack_data_t *unpack_data)

 			n = (rar_getbits(unpack_data) >> 14) + 3;

 			rar_addbits(unpack_data, 2);

 			while ((n-- > 0) && (i < table_size)) {

-				table[i] = table[i-1];

+				if (i>0)

+					table[i] = table[i-1];

 				i++;

 			}

 		} else {