diff --git a/pkg/tests/ossm/deploy_on_infra_test.go b/pkg/tests/ossm/deploy_on_infra_test.go
index aa48b13d..28786bb4 100644
--- a/pkg/tests/ossm/deploy_on_infra_test.go
+++ b/pkg/tests/ossm/deploy_on_infra_test.go
@@ -52,9 +52,9 @@ func TestDeployOnInfraNodes(t *testing.T) {
 			oc.TaintNode(t, "-l node-role.kubernetes.io/infra",
 				"node-role.kubernetes.io/infra=reserved:NoSchedule-",
 				"node-role.kubernetes.io/infra=reserved:NoExecute-")
-			oc.Label(t, "", "node", workername, "node-role.kubernetes.io/infra-")
-			oc.Label(t, "", "node", workername, "node-role.kubernetes.io-")
-			//TODO: to improve this after merge this PR: https://github.com/maistra/maistra-test-tool/pull/597 we need to reuse waitOperatorSucceded and make that func available to all the code
+			oc.RemoveLabel(t, "", "node", workername, "node-role.kubernetes.io/infra")
+			oc.RemoveLabel(t, "", "node", workername, "node-role.kubernetes.io")
+			// TODO: to improve this after merge this PR: https://github.com/maistra/maistra-test-tool/pull/597 we need to reuse waitOperatorSucceded and make that func available to all the code
 			// Use waitOperatorSucceded will avoid flaky in this test case
 			locator := pod.MatchingSelector("name=istio-operator", "openshift-operators")
 			oc.WaitPodReady(t, locator)
diff --git a/pkg/tests/ossm/smm_test.go b/pkg/tests/ossm/smm_test.go
index 8b7f3b83..9cbdd143 100644
--- a/pkg/tests/ossm/smm_test.go
+++ b/pkg/tests/ossm/smm_test.go
@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/maistra/maistra-test-tool/pkg/util/check/assert"
+	"github.com/maistra/maistra-test-tool/pkg/util/ns"
 	"github.com/maistra/maistra-test-tool/pkg/util/oc"
 	"github.com/maistra/maistra-test-tool/pkg/util/retry"
 	"github.com/maistra/maistra-test-tool/pkg/util/shell"
@@ -83,6 +84,32 @@ func TestSMMRAutoCreationAndDeletion(t *testing.T) {
 	})
 }
 
+func TestSMMReconciliation(t *testing.T) {
+	NewTest(t).Groups(Full, Disconnected).Run(func(t TestHelper) {
+		t.Log("This test verifies whether the member-of label is added back to the namespace")
+		t.Log("See https://issues.redhat.com/browse/OSSM-1397")
+
+		t.Cleanup(func() {
+			oc.RecreateNamespace(t, meshNamespace)
+		})
+
+		DeployControlPlane(t)
+
+		t.Log("Remove maistra.io/member-of label from bookinfo namespace")
+		oc.RemoveLabel(t, "", "Namespace", ns.Bookinfo, "maistra.io/member-of")
+
+		t.LogStep("Check if label was added back by the operator")
+		retry.UntilSuccess(t, func(t test.TestHelper) {
+			oc.GetYaml(t,
+				"", "namespace", ns.Bookinfo,
+				assert.OutputContains(
+					"maistra.io/member-of",
+					"The maistra.io/member-of label was added back",
+					"The maistra.io/member-of label was not added back"))
+		})
+	})
+}
+
 var (
 	smm = `
 apiVersion: maistra.io/v1
diff --git a/pkg/util/oc/oc.go b/pkg/util/oc/oc.go
index 740bb3d1..c74f4cb5 100644
--- a/pkg/util/oc/oc.go
+++ b/pkg/util/oc/oc.go
@@ -236,6 +236,11 @@ func TouchSMCP(t test.TestHelper, ns string, name string) {
 	DefaultOC.TouchSMCP(t, ns, name)
 }
 
+func RemoveLabel(t test.TestHelper, ns string, kind string, name string, label string) {
+	t.T().Helper()
+	DefaultOC.RemoveLabel(t, ns, kind, name, label)
+}
+
 func Label(t test.TestHelper, ns string, kind string, name string, labels string) {
 	t.T().Helper()
 	DefaultOC.Label(t, ns, kind, name, labels)
diff --git a/pkg/util/oc/oc_struct.go b/pkg/util/oc/oc_struct.go
index 9fa66057..4e04fb07 100644
--- a/pkg/util/oc/oc_struct.go
+++ b/pkg/util/oc/oc_struct.go
@@ -392,11 +392,15 @@ func (o OC) TaintNode(t test.TestHelper, name string, taints ...string) {
 	})
 }
 
+func (o OC) RemoveLabel(t test.TestHelper, ns string, kind string, name string, label string) {
+	o.Label(t, ns, kind, name, label+"-")
+}
+
 func (o OC) Label(t test.TestHelper, ns string, kind string, name string, labels string) {
 	t.T().Helper()
 	nsFlag := ""
 	if ns != "" {
-		nsFlag = "-n " + ns
+		nsFlag = fmt.Sprintf("-n %s ", ns)
 	}
 	o.withKubeconfig(t, func() {
 		t.T().Helper()