diff --git a/tests/valid/array-nested-double.json b/tests/valid/array-nested-double.json
new file mode 100644
index 0000000..c89a8c9
--- /dev/null
+++ b/tests/valid/array-nested-double.json
@@ -0,0 +1,28 @@
+{
+  "nest": [
+    [
+      [
+        {
+          "type": "string",
+          "value": "a"
+        }
+      ],
+      [
+        {
+          "type": "integer",
+          "value": "1"
+        },
+        {
+          "type": "integer",
+          "value": "2"
+        },
+        [
+          {
+            "type": "integer",
+            "value": "3"
+          }
+        ]
+      ]
+    ]
+  ]
+}
diff --git a/tests/valid/array-nested-double.toml b/tests/valid/array-nested-double.toml
new file mode 100644
index 0000000..c1de747
--- /dev/null
+++ b/tests/valid/array-nested-double.toml
@@ -0,0 +1,6 @@
+nest = [
+	[
+		["a"],
+		[1, 2, [3]]
+	]
+]