User Input ignored in JShell console

(IntelliJ IDEA 2019.3.3 (Ultimate Edition) Build #IU-193.6494.35)

The JShell console doesn't feel the need to wait for user input as it does when run 'manually' via a main method.
import java.util.Scanner;
Scanner scanner = new Scanner(System.in);
System.out.println(scanner.nextLine());

Gives output in console:

Defined import java.util.Scanner

Defined field Scanner scanner = java.util.Scanner[delimiters=\p{javaWhitespace}+][position=0][match valid=false][need input=false][source closed=false][skipped=false][group separator=\,][decimal separator=\.][positive prefix=][negative prefix=\Q-\E][positive suffix=][negative suffix=][NaN string=\QNaN\E][infinity string=\Q∞\E]

No line found
System.out.println(scanner.nextLine())