1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/java/cuchaz/enigma/mapping/ClassEntry.java b/src/main/java/cuchaz/enigma/mapping/ClassEntry.java
index a58d054..398b135 100644
--- a/src/main/java/cuchaz/enigma/mapping/ClassEntry.java
+++ b/src/main/java/cuchaz/enigma/mapping/ClassEntry.java
@@ -68,7 +68,7 @@ public class ClassEntry implements Entry {
     }
 
     public boolean equals(ClassEntry other) {
-        return this.name.equals(other.name);
+        return other != null && this.name.equals(other.name);
     }
 
     @Override