diff --git a/command/agent/job_endpoint.go b/command/agent/job_endpoint.go
index bcddd800a..9a154679e 100644
--- a/command/agent/job_endpoint.go
+++ b/command/agent/job_endpoint.go
@@ -666,6 +666,8 @@ func ApiTgToStructsTG(taskGroup *api.TaskGroup, tg *structs.TaskGroup) {
 	}
 }
 
+// ApiTaskToStructsTask is a copy and type conversion between the API
+// representation of a task from a struct representation of a task.
 func ApiTaskToStructsTask(apiTask *api.Task, structsTask *structs.Task) {
 	structsTask.Name = apiTask.Name
 	structsTask.Driver = apiTask.Driver
@@ -676,6 +678,7 @@ func ApiTaskToStructsTask(apiTask *api.Task, structsTask *structs.Task) {
 	structsTask.Meta = apiTask.Meta
 	structsTask.KillTimeout = *apiTask.KillTimeout
 	structsTask.ShutdownDelay = apiTask.ShutdownDelay
+	structsTask.KillSignal = apiTask.KillSignal
 
 	if l := len(apiTask.Constraints); l != 0 {
 		structsTask.Constraints = make([]*structs.Constraint, l)
diff --git a/jobspec/parse_test.go b/jobspec/parse_test.go
index 002b3584f..9dc3fdaa1 100644
--- a/jobspec/parse_test.go
+++ b/jobspec/parse_test.go
@@ -202,7 +202,8 @@ func TestParse(t *testing.T) {
 										RightDelim: helper.StringToPtr("__"),
 									},
 								},
-								Leader: true,
+								Leader:     true,
+								KillSignal: "",
 							},
 							{
 								Name:   "storagelocker",