Foul-mouthed traders are on notice at Deutsche Bank.

A leaked video shows Colin Fan, a Canadian senior executive at the London-based bank, warning traders that he’s had enough of their “vulgar” and “indiscreet” language, reports the Globe and Mail.

Read: U.S. regulators probe banks’ currency trades

“The warning to change communications style at Deutsche Bank comes as indiscreet and boastful e-mails have become a staple of securities cases involving brokerage firms in recent years. Many U.S. investment banks have banned swearing in e-mails in recent years as a result,” notes the report. Watch the video here.

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