Justin Bieber may have conquered the music world, but his geography needs a tune-up.

At his Calgary concert in the Saddledome on Friday night, the Biebes asked the sold-out crowd: "How are you doing, Edmonton!"

He quickly corrected himself and said, "Calgary! How you been? I missed you guys!"

While many in the crowd may have missed his blunder amongst all the screaming and wailing, dozens took to Twitter to voice their disgust.

"Omg Justin Bieber, we aren't Edmonton.. #Effedrightupdude" said @JanieMcDougall

"Justin Bieber just said 'hey Edmonton'. Rude" said @zthomson.

Perhaps the pop phenomenon was just excited about his upcoming sold-out concert in Edmonton on Monday.

— With files from Gerry Krochak