diff --git a/src/main/java/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java b/src/main/java/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
index 71240ae9..834fabb7 100644
--- a/src/main/java/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
+++ b/src/main/java/de/dhbwstuttgart/syntaxtree/ClassOrInterface.java
@@ -188,9 +188,8 @@ public class ClassOrInterface extends SyntaxTreeNode implements TypeScope {
   @Override
   public boolean equals(Object o) {
     if (this == o) return true;
-    if (o == null || getClass() != o.getClass()) return false;
-    ClassOrInterface that = (ClassOrInterface) o;
-    return Objects.equals(name, that.name);
+    if (!(o instanceof ClassOrInterface other)) return false;
+    return Objects.equals(name, other.name);
   }
 
   @Override