diff --git a/basic_suite_test.go b/basic_suite_test.go
index 73ca5a8cc..cc3d5aa84 100644
--- a/basic_suite_test.go
+++ b/basic_suite_test.go
@@ -53,7 +53,7 @@ func (s *BasicTestsSuite) TearDownSuite() {
 }
 
 func (s *BasicTestsSuite) TearDownTest() {
-	k8s.ShowLogs(s.options...)
+	k8s.ShowLogs("default", s.options...)
 
 	s.Require().NoError(exechelper.Run("kubectl delete serviceaccounts --all"))
 	s.Require().NoError(exechelper.Run("kubectl delete services --all"))
diff --git a/k8s/k8s.go b/k8s/k8s.go
index c033e5c40..b4ffdd608 100644
--- a/k8s/k8s.go
+++ b/k8s/k8s.go
@@ -75,12 +75,17 @@ func ApplyDeployment(path string, mutators ...func(deployment *apiv1.Deployment)
 	for _, m := range mutators {
 		m(&d)
 	}
+
+	if d.Namespace == "" {
+		d.Namespace = namespace
+	}
+
 	_, err = client.AppsV1().Deployments(d.Namespace).Create(&d)
 	return err
 }
 
 // ShowLogs prints logs into console all containers of pods
-func ShowLogs(options ...*exechelper.Option) {
+func ShowLogs(namespace string, options ...*exechelper.Option) {
 	client, err := Client()
 
 	if err != nil {
diff --git a/test/excluded_prefixes_collector_test.go b/test/excluded_prefixes_collector_test.go
index 2b72b8709..1c1db7484 100644
--- a/test/excluded_prefixes_collector_test.go
+++ b/test/excluded_prefixes_collector_test.go
@@ -74,8 +74,8 @@ func (et *ExcludedPrefixesSuite) SetupSuite() {
 	et.Require().NoError(exechelper.Run("kubectl apply -f ../deployments/prefixes-collector/collector-account.yaml", et.options...))
 	et.Require().NoError(exechelper.Run("kubectl apply -f ../deployments/prefixes-collector/collector-cluster-role.yaml", et.options...))
 
-	et.Require().NoError(k8s.ApplyDeployment("../deployments/alpine.yaml", func(collector *v1.Deployment) {
-		collector.Namespace = collectorNamespace
+	et.Require().NoError(k8s.ApplyDeployment("../deployments/alpine.yaml", func(alpine *v1.Deployment) {
+		alpine.Namespace = collectorNamespace
 	}))
 	et.waitForPodStart(collectorNamespace, "alpine")
 
@@ -87,7 +87,7 @@ func (et *ExcludedPrefixesSuite) SetupSuite() {
 }
 
 func (et *ExcludedPrefixesSuite) TearDownTest() {
-	k8s.ShowLogs(et.options...)
+	k8s.ShowLogs(collectorNamespace, et.options...)
 
 	et.Require().NoError(exechelper.Run("kubectl delete daemonset -n excluded-prefixes-collector excluded-prefixes-collector"))
 	et.Require().NoError(exechelper.Run("kubectl delete pods -n excluded-prefixes-collector -l app=excluded-prefixes-collector --now"))
@@ -96,7 +96,7 @@ func (et *ExcludedPrefixesSuite) TearDownTest() {
 
 func (et *ExcludedPrefixesSuite) TearDownSuite() {
 	et.Require().NoError(exechelper.Run("kubectl delete -f ../deployments/prefixes-collector/collector-cluster-role.yaml", et.options...))
-	et.Require().NoError(exechelper.Run("kubectl delete -f ../deployments/prefixes-collector/collector-namespace.yaml", et.options...))
+	et.Require().NoError(exechelper.Run("kubectl delete -f ../deployments/prefixes-collector/collector-namespace.yaml --now", et.options...))
 }
 
 func (et *ExcludedPrefixesSuite) TestWithKubeAdmConfigPrefixes() {
@@ -150,7 +150,7 @@ func (et *ExcludedPrefixesSuite) TestWithUserConfigPrefixes() {
 	et.Eventually(et.checkPrefixes(kubeAdmPrefixes), time.Second*5, time.Second)
 }
 
-func (et *ExcludedPrefixesSuite) TestWithEnvPrefixes() {
+func (et *ExcludedPrefixesSuite) TestWithCorrectEnvPrefixes() {
 	envPrefixes := []string{
 		"127.0.0.0/8",
 		"134.65.0.0/16",