Here's Nemo, the French president's dog, peeing in the Elysée's fireplace during a meeting

When you have to relieve yourself really badly, it doesn't matter if you're the presidential dog -- you just need to find a quiet place and take a leak.

That's the takeaway from the hilarious episode involving French President Emmanuel Macron and his black Labrador-Griffon cross, Nemo.

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A video by French TV TF1 that went viral on Twitter shows Nemo calmly urinating in the fireplace and walking away as Macron attempts a conversation with three members of government.

"I wondered what that noise was," says the junior minister for ecology, Brune Poirson, as the group erupts into laughs.

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"He is doing something quite exceptional," replies Macron, somewhere between entertained and embarrassed.

Julien Denormandie, junior minister for planning, cheekily asks Macron: "It happens often?"

To which the president replies laughing: "No. You have triggered a totally unusual behaviour in my dog."

It's a French tradition for presidents to have a "First Dog" in the Élysée Palace.

Nemo comes from the SPA animal refuge in Hermeray. He cost the president around $300.