diff --git a/test/css/samples/attribute-selector-word-arbitrary-whitespace/expected.css b/test/css/samples/attribute-selector-word-arbitrary-whitespace/expected.css
new file mode 100644
index 0000000000..c1c0f3fdf6
--- /dev/null
+++ b/test/css/samples/attribute-selector-word-arbitrary-whitespace/expected.css
@@ -0,0 +1 @@
+.foo.svelte-xyz{color:red}[class~="bar"].svelte-xyz{background:blue}
\ No newline at end of file
diff --git a/test/css/samples/attribute-selector-word-arbitrary-whitespace/input.svelte b/test/css/samples/attribute-selector-word-arbitrary-whitespace/input.svelte
new file mode 100644
index 0000000000..758aa27e0b
--- /dev/null
+++ b/test/css/samples/attribute-selector-word-arbitrary-whitespace/input.svelte
@@ -0,0 +1,13 @@
+<div class="
+foo
+bar
+"></div>
+
+<style>
+	.foo {
+		color: red;
+	}
+	[class~="bar"] {
+		background: blue;
+	}
+</style>