diff --git a/d2exporter/export_test.go b/d2exporter/export_test.go
index d0fac1189..ca813d2b1 100644
--- a/d2exporter/export_test.go
+++ b/d2exporter/export_test.go
@@ -9,12 +9,14 @@ import (
 	"cdr.dev/slog"
 
 	tassert "github.com/stretchr/testify/assert"
+
 	"oss.terrastruct.com/util-go/assert"
 	"oss.terrastruct.com/util-go/diff"
 
 	"oss.terrastruct.com/d2/d2compiler"
 	"oss.terrastruct.com/d2/d2exporter"
 	"oss.terrastruct.com/d2/d2layouts/d2dagrelayout"
+	"oss.terrastruct.com/d2/d2layouts/d2sequence"
 	"oss.terrastruct.com/d2/d2target"
 	"oss.terrastruct.com/d2/d2themes/d2themescatalog"
 	"oss.terrastruct.com/d2/lib/geo"
@@ -237,7 +239,7 @@ func run(t *testing.T, tc testCase) {
 	err = g.SetDimensions(nil, ruler, nil)
 	assert.JSON(t, nil, err)
 
-	err = d2dagrelayout.Layout(ctx, g)
+	err = d2sequence.Layout(ctx, g, d2dagrelayout.Layout)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/testdata/d2exporter/TestExport/shape/sequence_group_position.exp.json b/testdata/d2exporter/TestExport/shape/sequence_group_position.exp.json
index 0f1e02ed6..c72813d02 100644
--- a/testdata/d2exporter/TestExport/shape/sequence_group_position.exp.json
+++ b/testdata/d2exporter/TestExport/shape/sequence_group_position.exp.json
@@ -155,7 +155,7 @@
       "underline": false,
       "labelWidth": 0,
       "labelHeight": 0,
-      "zIndex": 0,
+      "zIndex": 3,
       "level": 2
     }
   ],
@@ -185,11 +185,70 @@
       "labelPosition": "",
       "labelPercentage": 0,
       "route": [],
-      "isCurve": true,
       "animated": false,
       "tooltip": "",
       "icon": null,
-      "zIndex": 0
+      "zIndex": 4
+    },
+    {
+      "id": "(hey.a -- )[0]",
+      "src": "hey.a",
+      "srcArrow": "none",
+      "srcLabel": "",
+      "dst": "a-lifeline-end-2251863791",
+      "dstArrow": "none",
+      "dstLabel": "",
+      "opacity": 1,
+      "strokeDash": 6,
+      "strokeWidth": 2,
+      "stroke": "#0D32B2",
+      "label": "",
+      "fontSize": 16,
+      "fontFamily": "DEFAULT",
+      "language": "",
+      "color": "#676C7E",
+      "italic": true,
+      "bold": false,
+      "underline": false,
+      "labelWidth": 0,
+      "labelHeight": 0,
+      "labelPosition": "",
+      "labelPercentage": 0,
+      "route": [],
+      "animated": false,
+      "tooltip": "",
+      "icon": null,
+      "zIndex": 1
+    },
+    {
+      "id": "(hey.b -- )[0]",
+      "src": "hey.b",
+      "srcArrow": "none",
+      "srcLabel": "",
+      "dst": "b-lifeline-end-668380428",
+      "dstArrow": "none",
+      "dstLabel": "",
+      "opacity": 1,
+      "strokeDash": 6,
+      "strokeWidth": 2,
+      "stroke": "#0D32B2",
+      "label": "",
+      "fontSize": 16,
+      "fontFamily": "DEFAULT",
+      "language": "",
+      "color": "#676C7E",
+      "italic": true,
+      "bold": false,
+      "underline": false,
+      "labelWidth": 0,
+      "labelHeight": 0,
+      "labelPosition": "",
+      "labelPercentage": 0,
+      "route": [],
+      "animated": false,
+      "tooltip": "",
+      "icon": null,
+      "zIndex": 1
     }
   ]
 }