But this caused the muscles in her pouch to relax as well, so the baby wasn't held in tight.
A baby wallaby normally doesn't come out of its mother's pouch until it's five months old.
Pegs now off
Luckily, keepers at Antwerp zoo came up with the idea of putting two clothes pegs on the pouch to make it more secure for the little chap.
A spokesperson at the zoo has said they were a bit worried the pegs might fall off as the mother came round, but after two weeks they were still firmly attached.
The pegs have now been removed, as the baby is strong enough to hold itself inside the pouch without any help.
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