He told Absolute Radio that he has "nothing but respect" for Chad Kroeger's band.
Martin continued: "They take a lot of flak from people who have never done f**k all in their life. I think they're great. That is my final word."
Nickelback's hits include 'How You Remind Me' and 'Rockstar'.
The singer also praised his own band, claiming that they are "better than we used to be".
"We've turned from a Mars Bar into a King-Sized Mars Bar," he said.