diff --git a/grafana_dashboards/schema/panel.py b/grafana_dashboards/schema/panel.py
index 0b303b9..1008632 100644
--- a/grafana_dashboards/schema/panel.py
+++ b/grafana_dashboards/schema/panel.py
@@ -44,9 +44,9 @@ class Panel(object):
         self.text.update(self.base)
 
     def _validate(self):
-        res = []
 
         def f(data):
+            res = []
             if not isinstance(data, list):
                 raise v.Invalid('Should be a list')
 
diff --git a/tests/schema/fixtures/dashboard-0007.json b/tests/schema/fixtures/dashboard-0007.json
new file mode 100644
index 0000000..bff9364
--- /dev/null
+++ b/tests/schema/fixtures/dashboard-0007.json
@@ -0,0 +1,45 @@
+{
+    "dashboard": {
+        "rows": [
+            {
+                "collapse": false,
+                "editable": true,
+                "height": "250px",
+                "panels": [
+                    {
+                        "editable": true,
+                        "error": false,
+                        "limit": 10,
+                        "mode": "starred",
+                        "query": "",
+                        "span": 12,
+                        "tag": "",
+                        "title": "Starred Dashboards",
+                        "type": "dashlist"
+                    }
+                ],
+                "showTitle": false,
+                "title": "foo"
+            },
+            {
+                "collapse": false,
+                "editable": true,
+                "height": "250px",
+                "panels": [
+                    {
+                        "content": "Some example text is required.",
+                        "editable": true,
+                        "error": false,
+                        "mode": "markdown",
+                        "span": 12,
+                        "title": "no title (click here)",
+                        "type": "text"
+                    }
+                ],
+                "showTitle": false,
+                "title": "bar"
+            }
+        ],
+        "title": "New dashboard"
+    }
+}
diff --git a/tests/schema/fixtures/dashboard-0007.yaml b/tests/schema/fixtures/dashboard-0007.yaml
new file mode 100644
index 0000000..368b7f7
--- /dev/null
+++ b/tests/schema/fixtures/dashboard-0007.yaml
@@ -0,0 +1,16 @@
+dashboard:
+  title: New dashboard
+  rows:
+    - title: foo
+      height: 250px
+      panels:
+        - title: Starred Dashboards
+          type: dashlist
+          mode: starred
+    - title: bar
+      height: 250px
+      panels:
+        - title: no title (click here)
+          type: text
+          mode: markdown
+          content: Some example text is required.