diff --git a/pkg/front_end/test/src/byte_store/crc32_test.dart b/pkg/front_end/test/src/byte_store/crc32_test.dart
index 0119bb8..0d209bb 100644
--- a/pkg/front_end/test/src/byte_store/crc32_test.dart
+++ b/pkg/front_end/test/src/byte_store/crc32_test.dart
@@ -33,6 +33,6 @@
   }
 
   test_string() {
-    expect(getCrc32(UTF8.encode('My very long test string.')), 0x88B8252E);
+    expect(getCrc32(utf8.encode('My very long test string.')), 0x88B8252E);
   }
 }