diff --git a/libnetwork/libnetwork_test.go b/libnetwork/libnetwork_test.go
index e64f957d74..5472547246 100644
--- a/libnetwork/libnetwork_test.go
+++ b/libnetwork/libnetwork_test.go
@@ -1014,7 +1014,11 @@ func TestEndpointMultipleJoins(t *testing.T) {
 	sbx1, err := controller.NewSandbox(containerID,
 		libnetwork.OptionHostname("test"),
 		libnetwork.OptionDomainname("docker.io"),
-		libnetwork.OptionExtraHost("web", "192.168.0.1"))
+		libnetwork.OptionExtraHost("web", "192.168.0.1"),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
 	defer func() {
 		if err := sbx1.Delete(); err != nil {
 			t.Fatal(err)
@@ -1022,6 +1026,9 @@ func TestEndpointMultipleJoins(t *testing.T) {
 	}()
 
 	sbx2, err := controller.NewSandbox("c2")
+	if err != nil {
+		t.Fatal(err)
+	}
 	defer func() {
 		if err := sbx2.Delete(); err != nil {
 			t.Fatal(err)