diff --git a/pkg/operator/ceph/nfs/spec.go b/pkg/operator/ceph/nfs/spec.go
index 4c4bcbf45e8d..fa3fe20455e4 100644
--- a/pkg/operator/ceph/nfs/spec.go
+++ b/pkg/operator/ceph/nfs/spec.go
@@ -255,7 +255,7 @@ func (r *ReconcileCephNFS) daemonContainer(nfs *cephv1.CephNFS, cfg daemonConfig
 
 func (r *ReconcileCephNFS) defaultGaneshaLivenessProbe(nfs *cephv1.CephNFS) *v1.Probe {
 	failureThreshold := int32(10)
-	cephVersionWithRpcinfo := version.CephVersion{Major: 18, Minor: 2, Extra: 1}
+	cephVersionWithRpcinfo := version.CephVersion{Major: 17, Minor: 2, Extra: 6}
 	if r.clusterInfo.CephVersion.IsAtLeast(cephVersionWithRpcinfo) {
 		// liveness-probe using rpcinfo utility
 		return controller.GenerateLivenessProbeViaRpcinfo(nfsPort, failureThreshold)