diff --git a/src/cmd/tests/standalone_daemon.rs b/src/cmd/tests/standalone_daemon.rs
index 2f4d1cd068..5b7c7427d5 100644
--- a/src/cmd/tests/standalone_daemon.rs
+++ b/src/cmd/tests/standalone_daemon.rs
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#![cfg(unix)]
+
 use std::net::TcpStream;
 use std::process::{Command, Stdio};
 use std::time::{Duration, Instant};