diff --git a/agent/structs/structs.go b/agent/structs/structs.go
index 830168888..90f3f84be 100644
--- a/agent/structs/structs.go
+++ b/agent/structs/structs.go
@@ -1792,6 +1792,7 @@ type HealthCheckDefinition struct {
 	TCP                            string              `json:",omitempty"`
 	UDP                            string              `json:",omitempty"`
 	H2PING                         string              `json:",omitempty"`
+	OSService                      string              `json:",omitempty"`
 	H2PingUseTLS                   bool                `json:",omitempty"`
 	Interval                       time.Duration       `json:",omitempty"`
 	OutputMaxSize                  uint                `json:",omitempty"`
@@ -1943,6 +1944,7 @@ func (c *HealthCheck) CheckType() *CheckType {
 		TCP:                            c.Definition.TCP,
 		UDP:                            c.Definition.UDP,
 		H2PING:                         c.Definition.H2PING,
+		OSService:                      c.Definition.OSService,
 		H2PingUseTLS:                   c.Definition.H2PingUseTLS,
 		Interval:                       c.Definition.Interval,
 		DockerContainerID:              c.Definition.DockerContainerID,
diff --git a/agent/txn_endpoint.go b/agent/txn_endpoint.go
index 4e898bfce..b54993550 100644
--- a/agent/txn_endpoint.go
+++ b/agent/txn_endpoint.go
@@ -275,6 +275,7 @@ func (s *HTTPHandlers) convertOps(resp http.ResponseWriter, req *http.Request) (
 							TCP:                            check.Definition.TCP,
 							GRPC:                           check.Definition.GRPC,
 							GRPCUseTLS:                     check.Definition.GRPCUseTLS,
+							OSService:                      check.Definition.OSService,
 							Interval:                       interval,
 							Timeout:                        timeout,
 							DeregisterCriticalServiceAfter: deregisterCriticalServiceAfter,
diff --git a/api/health.go b/api/health.go
index 2bcb3cb52..0368f8376 100644
--- a/api/health.go
+++ b/api/health.go
@@ -64,6 +64,7 @@ type HealthCheckDefinition struct {
 	TCP                                    string
 	UDP                                    string
 	GRPC                                   string
+	OSService                              string
 	GRPCUseTLS                             bool
 	IntervalDuration                       time.Duration `json:"-"`
 	TimeoutDuration                        time.Duration `json:"-"`
diff --git a/proto/pbservice/healthcheck.gen.go b/proto/pbservice/healthcheck.gen.go
index 2dccc25a7..092a4ded9 100644
--- a/proto/pbservice/healthcheck.gen.go
+++ b/proto/pbservice/healthcheck.gen.go
@@ -144,6 +144,7 @@ func HealthCheckDefinitionToStructs(s *HealthCheckDefinition, t *structs.HealthC
 	t.TCP = s.TCP
 	t.UDP = s.UDP
 	t.H2PING = s.H2PING
+	t.OSService = s.OSService
 	t.H2PingUseTLS = s.H2PingUseTLS
 	t.Interval = structs.DurationFromProto(s.Interval)
 	t.OutputMaxSize = uint(s.OutputMaxSize)
@@ -172,6 +173,7 @@ func HealthCheckDefinitionFromStructs(t *structs.HealthCheckDefinition, s *Healt
 	s.TCP = t.TCP
 	s.UDP = t.UDP
 	s.H2PING = t.H2PING
+	s.OSService = t.OSService
 	s.H2PingUseTLS = t.H2PingUseTLS
 	s.Interval = structs.DurationToProto(t.Interval)
 	s.OutputMaxSize = uint32(t.OutputMaxSize)