diff --git a/test/validator/samples/css-invalid-global-selector-4/errors.json b/test/validator/samples/css-invalid-global-selector-4/errors.json
new file mode 100644
index 0000000000..0b25d305f3
--- /dev/null
+++ b/test/validator/samples/css-invalid-global-selector-4/errors.json
@@ -0,0 +1,17 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 5,
+			"character": 66
+		},
+		"end": {
+			"line": 5,
+			"column": 33,
+			"character": 94
+		},
+		"pos": 66
+	}
+]
diff --git a/test/validator/samples/css-invalid-global-selector-4/input.svelte b/test/validator/samples/css-invalid-global-selector-4/input.svelte
new file mode 100644
index 0000000000..d72b8b3567
--- /dev/null
+++ b/test/validator/samples/css-invalid-global-selector-4/input.svelte
@@ -0,0 +1,12 @@
+<style>
+	div :global(.a\,bc\] ~ .d\,ef\)) {
+		color: red;
+	}
+	div :global(.abc\] + .def\), h1) {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>