diff --git a/lib/Test/Nginx.pm b/lib/Test/Nginx.pm
index 9688875..21e88a5 100644
--- a/lib/Test/Nginx.pm
+++ b/lib/Test/Nginx.pm
@@ -198,6 +198,10 @@
 		return $^O ne 'MSWin32';
 	}
 
+	if ($feature eq 'udp') {
+		return $^O ne 'MSWin32';
+	}
+
 	return 0;
 }
 
diff --git a/stream_udp_limit_conn.t b/stream_udp_limit_conn.t
index 64e40e7..671356a 100644
--- a/stream_udp_limit_conn.t
+++ b/stream_udp_limit_conn.t
@@ -23,7 +23,7 @@
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/stream stream_limit_conn shmem/)
+my $t = Test::Nginx->new()->has(qw/stream stream_limit_conn udp shmem/)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
diff --git a/stream_udp_proxy.t b/stream_udp_proxy.t
index 2d57c1b..ad50cf7 100644
--- a/stream_udp_proxy.t
+++ b/stream_udp_proxy.t
@@ -22,7 +22,7 @@
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/stream/)
+my $t = Test::Nginx->new()->has(qw/stream udp/)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
diff --git a/stream_udp_upstream.t b/stream_udp_upstream.t
index 30fc6bb..6c53669 100644
--- a/stream_udp_upstream.t
+++ b/stream_udp_upstream.t
@@ -23,7 +23,7 @@
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/stream/)
+my $t = Test::Nginx->new()->has(qw/stream udp/)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%
diff --git a/stream_udp_upstream_hash.t b/stream_udp_upstream_hash.t
index 8fb39fe..89886cd 100644
--- a/stream_udp_upstream_hash.t
+++ b/stream_udp_upstream_hash.t
@@ -23,7 +23,7 @@
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/stream stream_upstream_hash/);
+my $t = Test::Nginx->new()->has(qw/stream stream_upstream_hash udp/);
 
 $t->write_file_expand('nginx.conf', <<'EOF');
 
diff --git a/stream_udp_upstream_least_conn.t b/stream_udp_upstream_least_conn.t
index 298fb05..f49f0cb 100644
--- a/stream_udp_upstream_least_conn.t
+++ b/stream_udp_upstream_least_conn.t
@@ -23,7 +23,7 @@
 select STDERR; $| = 1;
 select STDOUT; $| = 1;
 
-my $t = Test::Nginx->new()->has(qw/stream stream_upstream_least_conn/)
+my $t = Test::Nginx->new()->has(qw/stream stream_upstream_least_conn udp/)
 	->write_file_expand('nginx.conf', <<'EOF');
 
 %%TEST_GLOBALS%%