diff --git a/internal/testing/dnsmasq/dnsmasq.go b/internal/testing/dnsmasq/dnsmasq.go
index f187168..f3217c1 100644
--- a/internal/testing/dnsmasq/dnsmasq.go
+++ b/internal/testing/dnsmasq/dnsmasq.go
@@ -125,7 +125,7 @@ func Run(t *testing.T, iface, ns string) *Process {
 	// listening for requests.
 	for {
 		b, err := ioutil.ReadFile(ready.Name())
-		if err != nil {
+		if err != nil && !os.IsNotExist(err) {
 			t.Fatal(err)
 		}
 		if strings.TrimSpace(string(b)) == strconv.Itoa(p.dnsmasq.Process.Pid) {