diff --git a/dirty-flag/src/test/java/org/dirty/flag/DirtyFlagTest.java b/dirty-flag/src/test/java/org/dirty/flag/DirtyFlagTest.java
index fc103e865..8f651b267 100644
--- a/dirty-flag/src/test/java/org/dirty/flag/DirtyFlagTest.java
+++ b/dirty-flag/src/test/java/org/dirty/flag/DirtyFlagTest.java
@@ -49,6 +49,6 @@ public class DirtyFlagTest {
     DataFetcher df = new DataFetcher();
     df.fetch();
     List<String> countries = df.fetch();
-    assertTrue(countries == null);
+    assertTrue(countries.isEmpty());
   }
 }