A restaurant employee called police after an irate customer was unhappy with his bill and flashed a gun towards him, NYPD said.

Cops are on the lookout for the unidentified suspect who was captured on video surveillance threatening the clerk at Rong Hua Chinese restaurant in Richmond Hill on Oct. 22.

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Investigators said the 39-year-old employee reported the man was upset over how much he was charged for his order and the two got into a verbal argument.

The confrontation escalated when the suspect can seen on video shouting at the worker and pulling out a gun as he approached the counter, holding it as he got his last word and before he walked out.

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Authorities said the employee was not hurt in the confrontation, and that the suspect took no property or money before he left.

Police described the suspect as a man in his mid 20s, standing about 5-feet-10-inches tall and weighing about 140 pounds. 

He was last seen wearing a black hoodie, black jeans, a black San Francisco Giants baseball cap and a gold grill on his top teeth.

NYPD asks that anyone with information about the suspect or incident call its Crime Stoppers Hotline at 800-577-TIPS, or text tips to 274637 (CRIMES) then enter TIP577.