diff --git a/tools/buildbot/bootstrap.pl b/tools/buildbot/bootstrap.pl
index 3936faad9..76ad13d81 100755
--- a/tools/buildbot/bootstrap.pl
+++ b/tools/buildbot/bootstrap.pl
@@ -54,7 +54,7 @@ if ($reconf) {
 	}
 	print "$result\n";
 	if ($? != 0) {
-		die('Could not configure: $!\n');
+		die("Could not configure: $!\n");
 	}
 	open(FILE, '>sentinel');
 	print FILE "this is nothing.\n";