Courtesy of U.S. Customs and Border Protection

If you've ever wished that your morning cup of coffee was a bit stronger, well, be careful what you wish for. U.S. Customs and Border Protection officers at Miami International Airport uncovered a shipment of coffee so strong it was illegal.

That's because it was adulterated with four pounds of pure cocaine.

Officers were screening the package when they decided to send it through an x-ray. Something seemed funny, and officers found odd clumps in the coffee grounds. Further testing revealed those clumps were in fact cocaine — 4.1 pounds of it.

The shipment was being sent from Peru to an address in New Jersey.

“We’re extremely proud of our CBP officers and their ability to detect and seize narcotics,” Miami International Airport port director Christopher Maston said in a statement. "They remain dedicated to protecting the American people from dangerous drugs.”

Smugglers often try all sorts of crazy ways to sneak cocaine through customs at the airport. In August, CBP reported it had found 80 pounds of cocaine and heroin hidden in shipments of flowers traveling from Colombia and Ecuador since January 2014. CBP claims it seizes more than 10,000 pounds of drugs daily throughout its operations in the U.S.