diff --git a/test/dart_api/value/list_test.dart b/test/dart_api/value/list_test.dart
index 6e9a12dea..e6fae3f6c 100644
--- a/test/dart_api/value/list_test.dart
+++ b/test/dart_api/value/list_test.dart
@@ -122,7 +122,7 @@ void main() {
   });
 
   test("a space-separated list is space-separated", () {
-    expect(parseValue("a, b, c").separator, equals(ListSeparator.comma));
+    expect(parseValue("a b c").separator, equals(ListSeparator.space));
   });
 
   test("a bracketed list has brackets", () {