diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index cacbfc0259fd1ae353117d93e345cd8c4dd41188..7e95fb3740cb631d65c1a0bf07a78e2f75324210 100755
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -952,7 +952,7 @@ sub commit {
 	} elsif (/^-+$/) { # end of unknown-line processing
 		$state = 1;
 	} elsif ($state != 11) { # ignore stuff when skipping
-		print "* UNKNOWN LINE * $_\n";
+		print STDERR "* UNKNOWN LINE * $_\n";
 	}
 }
 commit() if $branch and $state != 11;