It's a trap!

Police in Minnesota are going viral for a joke they posted to the police department’s Twitter account.

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The Wyoming Police Department posted a picture of one of its officers holding a large net next to a "trap" set for those celebrating April 20 by partaking in marijuana illegally.

On April 20 – or 4/20 – marijuana advocates around the world gather to celebrate, in a variety of ways, the cannabis plant.

>> Related: What does 420 mean? 10 things you may not know about the term

The trap is made up of junk food, like Doritos and Cheetos, Mountain Dew soda and a pair of video games.

Police ended the post with #Happy420.

Reporter Debbie Lord contributed to this report.