Photo: Chris Jackson - Pool/Getty Images

Prince William, Prince Of Wales

Surprise!Prince Williamwas a casual customer at an LGBTQ-friendly restaurant during his visit to Poland.

The Prince of Wales, 40, was spotted at Butero Bistro in Warsaw on Wednesday evening. The restaurant touts itself as “your queerspace with comfort food,” and theDaily Mailreports the British royal ordered “kanapka w chalce” — a $9 sandwich filled with pulled pork served with fries and garlic mayo.

PEOPLE understands the royal’s team made the dinner reservation near where they were working, andPrince Williamasked to join, resulting in a “great night” during his two-day tour of Poland.

In a playful clip shared onInstagram, a Butero Bistro team member was seen taping a homemade “Prince William” sign to a wooden chair at a long table.

“We are surprised too, but where else would he feel nice and safe than in our queer and loving space? 🌈,” the caption read. “We did what we do best — we fed and the rest is history.”

The restaurant stop came on the first day ofPrince William’ssurprise trip to Poland. The royal traveled to the country to thank the people for their “humanity and hospitality” during thewar in neighboring Ukraine.

Prince William, the Prince of Wales.Tim Rooke/Shutterstock

Prince William visits the Territorial Defence Force in Rzeszow.

The Prince of Wales spent Wednesday afternoon with troops from Britain and Poland helping to train Ukrainian forces. He then headed to Warsaw to meet some of the 300 Ukrainian women and children, who — as recently-arrived refugees — are being housed in a converted office block.

Aides pointed out that Prince William and his wife,Kate Middleton, have followed the Ukrainian crisis since its start and have had an ongoing dialogue with Ukraine PresidentVolodymyr Zelenskyyand First Lady Olena Zelenska.

“But he wanted to look into the eyes of the Polish people and say thank you for everything they have done. That is the main message he was putting across to the Polish and British military,” his spokesman tells PEOPLE.

Prince William lays a wreath at the Tomb of the Unknown Soldier in Warsaw, Poland.Pawel Supernak/EPA-EFE/Shutterstock

William, The Prince of Wales, adjusts a wreath he was laying during a ceremony at the Tomb of the Unknown Soldier in Warsaw, Poland

Can’t get enough ofPEOPLE’s Royals coverage?Sign up for our free Royals newsletterto get the latest updates onKate Middleton,Meghan Markleand more!

Prince William meets groups of young Ukrainian refugees at Hala Koszyki Food Hall

“We told him we were from the south of Poland and that we really appreciate him coming here,” Zegarek tells PEOPLE. “We are grateful that he sees us and Ukraine and that we are all in this together.”

source: people.com