diff --git a/jobspec/parse_group.go b/jobspec/parse_group.go
index 060af851f..e138d44e2 100644
--- a/jobspec/parse_group.go
+++ b/jobspec/parse_group.go
@@ -57,6 +57,7 @@ func parseGroups(result *api.Job, list *ast.ObjectList) error {
 			"volume",
 			"scaling",
 			"stop_after_client_disconnect",
+			"max_client_disconnect",
 		}
 		if err := checkHCLKeys(listVal, valid); err != nil {
 			return multierror.Prefix(err, fmt.Sprintf("'%s' ->", n))
diff --git a/jobspec/parse_test.go b/jobspec/parse_test.go
index 9c6fc1755..d261b6388 100644
--- a/jobspec/parse_test.go
+++ b/jobspec/parse_test.go
@@ -201,6 +201,7 @@ func TestParse(t *testing.T) {
 							},
 						},
 						StopAfterClientDisconnect: timeToPtr(120 * time.Second),
+						MaxClientDisconnect:       timeToPtr(120 * time.Hour),
 						ReschedulePolicy: &api.ReschedulePolicy{
 							Interval: timeToPtr(12 * time.Hour),
 							Attempts: intToPtr(5),
diff --git a/jobspec/test-fixtures/basic.hcl b/jobspec/test-fixtures/basic.hcl
index 5b1fa4036..f7be15dd6 100644
--- a/jobspec/test-fixtures/basic.hcl
+++ b/jobspec/test-fixtures/basic.hcl
@@ -158,6 +158,7 @@ job "binstore-storagelocker" {
     }
 
     stop_after_client_disconnect = "120s"
+    max_client_disconnect        = "120h"
 
     task "binstore" {
       driver = "docker"