Twitter users on Tuesday mocked Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) for a tweet that incorrectly referred to the capital of Turkey as Istanbul.

Ryan's tweet was touting a House vote to condemn the violence against demonstrators outside the Turkish ambassador’s residence in Washington last month.

“The blame for this assault lies with the Turkish government alone,” Ryan said in the tweeted statement. “I urge Istanbul to finally accept responsibility for this egregious incident and apologize to those who were harmed.”

BREAKING NEWS → The House just voted to condemn violence against protestors outside Turkish ambassador's residence. https://t.co/VXdrc4Lu1Q pic.twitter.com/q1OcJOGVzf — Paul Ryan (@SpeakerRyan) June 6, 2017

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The capital of Turkey is Ankara, not Istanbul. Twitter users were quick to point out the error and mock Ryan.

LOL, you got the capital of Turkey wrong. Does no one in your office have access to Wikipedia? https://t.co/7dngdG8xzr — Gary Legum (@GaryLegum) June 7, 2017

At least he didn't say Constantinople. https://t.co/AVCO8XDI3a — Erik Meyersson (@emeyersson) June 7, 2017

The philosopher-prince of today’s conservative movement can’t look up the capital of Turkey. A real wonk, Paul Ryan. A real nerd’s nerd https://t.co/ztA2lmer0s — Reality Winner (@rustyk5) June 7, 2017

The resolution called for any Turkish security officials who participated in attacking demonstrators outside the ambassador’s residence to be charged and prosecuted under U.S. law.

At least 11 people were injured during the clash last month between protesters and Turkish security guards on the same day Turkish President Recep Tayyip Erdoğan met with President Trump at the White House.

The error was later corrected on the House website.