Gradle 4.9 and '--args'

Hey all,
since gradle 4.9 it has the feature to pass arguments to the java application via --args ‘myargs…’.
But since i use apache-commons-cli to parse my options, I have to pass them as “-arg1=123”.
So when I execute

./gradlew run --args “-arg1=123”

Gradle fails with:

No argument was provided for command-line option ‘-g’.

What did I do wrong? How do I have to write that command line to get it working?
Many thanks in advance for any help.

Uhh, stoopid me. Meanwhile I found out that I had to write

./gradlew run --args=“-arg1 123”

So I forgot the assignment operator for ‘–args’.