diff --git a/src/test/java/com/tagtraum/perf/gcviewer/model/TestGCEventUJL.java b/src/test/java/com/tagtraum/perf/gcviewer/model/TestGCEventUJL.java
index 46cc5e20..4f190628 100644
--- a/src/test/java/com/tagtraum/perf/gcviewer/model/TestGCEventUJL.java
+++ b/src/test/java/com/tagtraum/perf/gcviewer/model/TestGCEventUJL.java
@@ -11,7 +11,7 @@
 import static org.junit.Assert.assertThat;
 
 public class TestGCEventUJL {
-    GCEventUJL parentGCEvent;
+    private GCEventUJL parentGCEvent;
 
     @Before
     public void setUp() {