diff --git a/support/buildbot/bootstrap.pl b/support/buildbot/bootstrap.pl
index 3b9cbbd..3092b64 100755
--- a/support/buildbot/bootstrap.pl
+++ b/support/buildbot/bootstrap.pl
@@ -56,9 +56,9 @@ if ($^O =~ /darwin/) {
 }
 
 if ($^O !~ /MSWin/) {
-	push(@conf_argv, '--target-arch=x86,x64');
+	push(@conf_argv, '--targets=x86,x86_64');
 } else {
-	push(@conf_argv, '--target-arch=x86');
+	push(@conf_argv, '--targets=x86');
 }
 push(@conf_argv, '--sdks=all');