diff --git a/api/queries_issue.go b/api/queries_issue.go
index f17c55a72..a13bb48cc 100644
--- a/api/queries_issue.go
+++ b/api/queries_issue.go
@@ -665,7 +665,7 @@ func DeferredUpdateIssue(client *Client, opts DeferredUpdateIssueOptions) error
 
 	for _, id := range opts.AddSubIssueIDs {
 		mutations = append(mutations, func() error {
-			return AddSubIssue(client, opts.Hostname, opts.IssueID, id, false)
+			return AddSubIssue(client, opts.Hostname, opts.IssueID, id, true)
 		})
 	}
 	for _, id := range opts.RemoveSubIssueIDs {
diff --git a/pkg/cmd/issue/edit/edit_test.go b/pkg/cmd/issue/edit/edit_test.go
index 0d90a6dce..d0a188b0c 100644
--- a/pkg/cmd/issue/edit/edit_test.go
+++ b/pkg/cmd/issue/edit/edit_test.go
@@ -1039,7 +1039,7 @@ func Test_editRun(t *testing.T) {
 					httpmock.GraphQLMutation(`{ "data": { "addSubIssue": { "issue": { "id": "100" } } } }`,
 						func(inputs map[string]interface{}) {
 							assert.Equal(t, "100", inputs["issueId"])
-							assert.Equal(t, false, inputs["replaceParent"])
+							assert.Equal(t, true, inputs["replaceParent"])
 						}),
 				)
 				reg.Register(
@@ -1049,7 +1049,7 @@ func Test_editRun(t *testing.T) {
 					httpmock.GraphQLMutation(`{ "data": { "addSubIssue": { "issue": { "id": "100" } } } }`,
 						func(inputs map[string]interface{}) {
 							assert.Equal(t, "100", inputs["issueId"])
-							assert.Equal(t, false, inputs["replaceParent"])
+							assert.Equal(t, true, inputs["replaceParent"])
 						}),
 				)
 			},