diff --git a/test/validator/samples/tag-custom-element-options-missing/input.svelte b/test/validator/samples/tag-custom-element-options-missing/input.svelte
new file mode 100644
index 0000000000..f5f5d74270
--- /dev/null
+++ b/test/validator/samples/tag-custom-element-options-missing/input.svelte
@@ -0,0 +1 @@
+<svelte:options tag="custom-element"/>
diff --git a/test/validator/samples/tag-custom-element-options-missing/warnings.json b/test/validator/samples/tag-custom-element-options-missing/warnings.json
new file mode 100644
index 0000000000..505f44e5d1
--- /dev/null
+++ b/test/validator/samples/tag-custom-element-options-missing/warnings.json
@@ -0,0 +1,15 @@
+[{
+    "code": "missing-custom-element-compile-options",
+    "message": "The 'tag' option is used when generating a custom element. Did you forget the 'customElement: true' compile option?",
+    "start": {
+        "line": 1,
+        "column": 16,
+        "character": 16
+    },
+    "end": {
+        "line": 1,
+        "column": 36,
+        "character": 36
+    },
+    "pos": 16
+}]
diff --git a/test/validator/samples/tag-custom-element-options-true/_config.js b/test/validator/samples/tag-custom-element-options-true/_config.js
new file mode 100644
index 0000000000..b3c6532042
--- /dev/null
+++ b/test/validator/samples/tag-custom-element-options-true/_config.js
@@ -0,0 +1,3 @@
+export default {
+    customElement: true,
+};
diff --git a/test/validator/samples/tag-custom-element-options-true/input.svelte b/test/validator/samples/tag-custom-element-options-true/input.svelte
new file mode 100644
index 0000000000..f5f5d74270
--- /dev/null
+++ b/test/validator/samples/tag-custom-element-options-true/input.svelte
@@ -0,0 +1 @@
+<svelte:options tag="custom-element"/>