But Armstrong won't be able to take his fine start into Tuesday night's Capital One Cup tie against Rochdale after his parent club put a clause in his deal to avoid him being cup-tied.
The Newcastle United forward enjoyed as sensational debut for Coventry, netting twice to ensure a memorable Ricoh Arena victory over League One new-boys Wigan Athletic.
“It was a great debut and as soon as I turned up at the stadium I knew it was going to be a big day for me,” said the loan star.
“All I wanted was the three points and we did that today. It was a brilliant atmosphere and some good football on the pitch which hopefully pleased the supporters."