diff --git a/command/agent/structs.go b/command/agent/structs.go
index ebb2ddea73..84f606e46c 100644
--- a/command/agent/structs.go
+++ b/command/agent/structs.go
@@ -32,7 +32,7 @@ func (s *ServiceDefinition) NodeService() *structs.NodeService {
 func (s *ServiceDefinition) CheckTypes() (checks CheckTypes) {
 	s.Checks = append(s.Checks, &s.Check)
 	for _, check := range s.Checks {
-		if (check.Script != "" && check.Interval != 0) || check.TTL != 0 {
+		if check.Valid() {
 			checks = append(checks, check)
 		}
 	}
diff --git a/command/agent/structs_test.go b/command/agent/structs_test.go
index f21f69fd74..946aa87bdd 100644
--- a/command/agent/structs_test.go
+++ b/command/agent/structs_test.go
@@ -1,8 +1,10 @@
 package agent
 
 import (
-	"github.com/hashicorp/consul/consul/structs"
 	"testing"
+	"time"
+
+	"github.com/hashicorp/consul/consul/structs"
 )
 
 func TestAgentStructs_HealthCheck(t *testing.T) {
@@ -14,3 +16,37 @@ func TestAgentStructs_HealthCheck(t *testing.T) {
 		t.Fatalf("bad: %v", check.Status)
 	}
 }
+
+func TestAgentStructs_CheckTypes(t *testing.T) {
+	svc := new(ServiceDefinition)
+
+	// Singular Check field works
+	svc.Check = CheckType{
+		Script:   "/foo/bar",
+		Interval: 10 * time.Second,
+	}
+
+	// Returns HTTP checks
+	svc.Checks = append(svc.Checks, &CheckType{
+		HTTP:     "http://foo/bar",
+		Interval: 10 * time.Second,
+	})
+
+	// Returns Script checks
+	svc.Checks = append(svc.Checks, &CheckType{
+		Script:   "/foo/bar",
+		Interval: 10 * time.Second,
+	})
+
+	// Returns TTL checks
+	svc.Checks = append(svc.Checks, &CheckType{
+		TTL: 10 * time.Second,
+	})
+
+	// Does not return invalid checks
+	svc.Checks = append(svc.Checks, &CheckType{})
+
+	if len(svc.CheckTypes()) != 4 {
+		t.Fatalf("bad: %#v", svc)
+	}
+}