diff --git a/testsuite/css/parser/meson.build b/testsuite/css/parser/meson.build
index b05efb7fd2..5f5739fe2f 100644
--- a/testsuite/css/parser/meson.build
+++ b/testsuite/css/parser/meson.build
@@ -606,6 +606,7 @@ test_data = [
   'value-none.css',
   'value-none.errors',
   'value-none.ref.css',
+  'variables.css',
 ]
 
 foreach testname : test_data
diff --git a/testsuite/css/parser/variables.css b/testsuite/css/parser/variables.css
new file mode 100644
index 0000000000..b9e36fe46b
--- /dev/null
+++ b/testsuite/css/parser/variables.css
@@ -0,0 +1,6 @@
+* {
+  color: var(--test3);
+  --test1: test;
+  --test2: var(--test1, red);
+  --test3: var(--test2);
+}