diff --git a/pkg/controller/servicemesh/memberroll/controller.go b/pkg/controller/servicemesh/memberroll/controller.go
index 7a28d5a8412..bd571a6106a 100644
--- a/pkg/controller/servicemesh/memberroll/controller.go
+++ b/pkg/controller/servicemesh/memberroll/controller.go
@@ -264,8 +264,10 @@ func (r *MemberRollReconciler) reconcileObject(ctx context.Context, roll *maistr
 	switch len(meshList.Items) {
 	case 0:
 		mesh = nil
+		internalmetrics.ResetMemberCounter()
 	case 1:
 		mesh = &meshList.Items[0]
+		internalmetrics.ResetMemberCounter()
 	default: // more than 1 SMCP found
 		reason := maistrav1.ConditionReasonMultipleSMCP
 		message := "Multiple ServiceMeshControlPlane resources exist in the namespace"
diff --git a/pkg/internalmetrics/metrics.go b/pkg/internalmetrics/metrics.go
index 5dd380e91fa..022af3b1e05 100644
--- a/pkg/internalmetrics/metrics.go
+++ b/pkg/internalmetrics/metrics.go
@@ -49,3 +49,7 @@ func GetMemberCounter(smcpNamespace, smcpVersion, smcpMode string) prometheus.Ga
 		labelSMCPMode:      smcpMode,
 	})
 }
+
+func ResetMemberCounter() {
+	Metrics.MemberCounter.Reset()
+}