CLI: deployment crashes console with --header={rollout id=XXX} parameter

1) connect to a domain using CLI
2) create a rollout-plan
3) deploy /tmp/RolloutPlanTestCase.war --all-server-groups --headers=

{rollout id=testPlan}

[domain@localhost:9999 /] deploy /tmp/RolloutPlanTestCase.war --all-server-groups --headers={rollout id=testPlan}

java.lang.NullPointerException
at org.jboss.as.cli.operation.impl.ParsedRolloutPlanHeader.addTo(ParsedRolloutPlanHeader.java:277)
at org.jboss.as.cli.ArgumentValueConverter$5.fromNonDMRString(ArgumentValueConverter.java:157)
at org.jboss.as.cli.ArgumentValueConverter$DMRWithFallbackConverter.fromString(ArgumentValueConverter.java:50)
at org.jboss.as.cli.handlers.BaseOperationCommand.addHeaders(BaseOperationCommand.java:214)
at org.jboss.as.cli.handlers.DeployHandler.execute(DeployHandler.java:559)
at org.jboss.as.cli.handlers.DeployHandler.doHandle(DeployHandler.java:365)
at org.jboss.as.cli.handlers.CommandHandlerWithHelp.handle(CommandHandlerWithHelp.java:84)
at org.jboss.as.cli.impl.CommandContextImpl.handle(CommandContextImpl.java:458)
at org.jboss.as.cli.impl.CommandContextImpl.handleSafe(CommandContextImpl.java:469)
at org.jboss.as.cli.impl.CommandContextImpl.interact(CommandContextImpl.java:1022)
at org.jboss.as.cli.impl.CliLauncher.main(CliLauncher.java:191)
at org.jboss.as.cli.CommandLineMain.main(CommandLineMain.java:34)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.jboss.modules.Module.run(Module.java:260)
at org.jboss.modules.Main.main(Main.java:291)