--- a/dsa/checks/dsa-check-packages
+++ b/dsa/checks/dsa-check-packages
@@ -334,7 +334,7 @@ for my $form (@reportform) {
 	push @perfout, sprintf($form->{'perf'}, $num);
 	next unless ($num > 0);
 	if ($form->{'listpackages'}) {
-		my $list = join(", ", keys %$pkgs);
+		my $list = join(" ", keys %$pkgs);
 		push @longout, sprintf($form->{'long'}, $num, $list);
 	} else {
 		push @longout, sprintf($form->{'long'}, $num);
@@ -344,15 +344,15 @@ for my $form (@reportform) {
 };
 if (scalar keys %$packages) {
 	record('WARNING');
-	unshift @shortout, "unk: ".join(", ", keys %$packages);
+	unshift @shortout, "unk: ".join(" ", keys %$packages);
 	for my $status (sort {$b cmp $a} keys %$packages) {
 		my $pkgs = $packages->{$status};
-		my $list = join(", ", keys %$pkgs);
+		my $list = join(" ", keys %$pkgs);
 		unshift @longout, "Unknown package status $status: $list";
 	};
 }
 
-my $shortout = $EXITCODE.": ".join(", ", @shortout);
+my $shortout = $EXITCODE.": ".join(" ", @shortout);
 my $longout = join("\n", @longout);
 my $perfout = "|".join(" ", @perfout);