diff --git a/crates/cli/tests/coverage/shared/bootstrap_tests.rs b/crates/cli/tests/coverage/shared/bootstrap_tests.rs
index a668b386..8bccfe06 100644
--- a/crates/cli/tests/coverage/shared/bootstrap_tests.rs
+++ b/crates/cli/tests/coverage/shared/bootstrap_tests.rs
@@ -104,6 +104,7 @@ fn foreign_and_incompatible_listeners_are_never_adopted() {
                 }
                 match listener.accept() {
                     Ok((mut stream, _)) => {
+                        stream.set_nonblocking(false).unwrap();
                         stream
                             .set_read_timeout(Some(Duration::from_secs(5)))
                             .unwrap();