diff --git a/master/api_service.go b/master/api_service.go
index dabe9949f..164f7de1c 100644
--- a/master/api_service.go
+++ b/master/api_service.go
@@ -7199,6 +7199,8 @@ func (m *Server) SetBucketLifecycle(w http.ResponseWriter, r *http.Request) {
 	}
 
 	err = m.cluster.SetBucketLifecycle(&req)
+	b, _ := json.Marshal(req)
+	auditlog.LogMasterOp("SetBucketLifecycle", fmt.Sprintf("LcConfiguration(%v)", string(b)), err)
 	if err != nil {
 		sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeInternalError, Msg: err.Error()})
 		return
@@ -7261,6 +7263,7 @@ func (m *Server) DelBucketLifecycle(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	err = m.cluster.DelBucketLifecycle(name)
+	auditlog.LogMasterOp("DelBucketLifecycle", fmt.Sprintf("vol(%v)", name), err)
 	if err != nil {
 		sendErrReply(w, r, &proto.HTTPReply{Code: proto.ErrCodeInternalError, Msg: err.Error()})
 		return
diff --git a/objectnode/lifecycle_test.go b/objectnode/lifecycle_test.go
index 829e01006..fbe1208a9 100644
--- a/objectnode/lifecycle_test.go
+++ b/objectnode/lifecycle_test.go
@@ -337,3 +337,72 @@ func TestLifecycleConfigurationTransition3(t *testing.T) {
 	err = proto.ValidRules(l2.Rules)
 	require.NoError(t, err)
 }
+
+func TestValidRulePrefix(t *testing.T) {
+	rules := []*proto.Rule{
+		{
+			ID: "a",
+		},
+	}
+	require.NoError(t, proto.ValidRulePrefix(rules))
+
+	rules = []*proto.Rule{
+		{
+			ID:     "a",
+			Filter: &proto.Filter{},
+		},
+	}
+	require.NoError(t, proto.ValidRulePrefix(rules))
+
+	rules = []*proto.Rule{
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: ""},
+		},
+	}
+	require.NoError(t, proto.ValidRulePrefix(rules))
+
+	rules = []*proto.Rule{
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: "/"},
+		},
+	}
+	require.Equal(t, proto.LifeCycleErrRulePrefix, proto.ValidRulePrefix(rules))
+
+	rules = []*proto.Rule{
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: "/"},
+		},
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: "a/"},
+		},
+	}
+	require.Equal(t, proto.LifeCycleErrRulePrefix, proto.ValidRulePrefix(rules))
+
+	rules = []*proto.Rule{
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: ""},
+		},
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: "a/"},
+		},
+	}
+	require.Equal(t, proto.LifeCycleErrConflictRules, proto.ValidRulePrefix(rules))
+
+	rules = []*proto.Rule{
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: "b/"},
+		},
+		{
+			ID:     "a",
+			Filter: &proto.Filter{Prefix: "a/"},
+		},
+	}
+	require.NoError(t, proto.ValidRulePrefix(rules))
+}
diff --git a/proto/lifecycle.go b/proto/lifecycle.go
index aa9546e11..4fff71791 100644
--- a/proto/lifecycle.go
+++ b/proto/lifecycle.go
@@ -119,6 +119,9 @@ func ValidRules(Rules []*Rule) error {
 
 func ValidRulePrefix(Rules []*Rule) error {
 	if len(Rules) == 1 {
+		if strings.HasPrefix(Rules[0].GetPrefix(), "/") {
+			return LifeCycleErrRulePrefix
+		}
 		return nil
 	}
 	var prefixes []string
@@ -127,13 +130,13 @@ func ValidRulePrefix(Rules []*Rule) error {
 			return LifeCycleErrConflictRules
 		}
 		if rule.Filter != nil {
-			if rule.Filter.Prefix == "" {
+			if rule.GetPrefix() == "" {
 				return LifeCycleErrConflictRules
 			} else {
-				if strings.HasPrefix(rule.Filter.Prefix, "/") {
+				if strings.HasPrefix(rule.GetPrefix(), "/") {
 					return LifeCycleErrRulePrefix
 				}
-				prefixes = append(prefixes, rule.Filter.Prefix)
+				prefixes = append(prefixes, rule.GetPrefix())
 			}
 		}
 	}