Albion finished eighth last season in their best Premier League finish but Olsson believes survival must always be their first aim.
"We need to be realistic, for a club of our size," Olsson told the Express & Star. "You have targets and ambitions but, without taking my ambitions down, any season when West Brom stay in the Premier League is an OK achievement."
"It's a really tough league and you're going to have seasons like this if you're a club of our size.
"That's the reality of this league."
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