diff --git a/src/test/java/edu/hm/hafner/analysis/IssueTest.java b/src/test/java/edu/hm/hafner/analysis/IssueTest.java
index 1674dd100..a1abf8fba 100644
--- a/src/test/java/edu/hm/hafner/analysis/IssueTest.java
+++ b/src/test/java/edu/hm/hafner/analysis/IssueTest.java
@@ -341,7 +341,7 @@ void shouldObeyEqualsContract() {
                         TREE_STRING_BUILDER.intern("Two"))
                 .withPrefabValues(LineRangeList.class, new LineRangeList(10), filled)
                 .forClass(Issue.class)
-                .withIgnoredFields("id", "reference", "pathName", "fingerprint").verify();
+                .withIgnoredFields("id", "reference", "pathName", "fingerprint", "partOfModifiedCode").verify();
     }
 
     @Override