diff --git a/src/main/java/com/lifemcserver/bytecodeversionanalyzer/BytecodeVersionAnalyzer.java b/src/main/java/com/lifemcserver/bytecodeversionanalyzer/BytecodeVersionAnalyzer.java
index 6a1c81d..aa8d676 100644
--- a/src/main/java/com/lifemcserver/bytecodeversionanalyzer/BytecodeVersionAnalyzer.java
+++ b/src/main/java/com/lifemcserver/bytecodeversionanalyzer/BytecodeVersionAnalyzer.java
@@ -982,7 +982,7 @@ public final void uncaughtException(final Thread t, final Throwable e) {
      */
     private static final class JarEntryVersionConsumer implements Consumer<JarEntry> {
         private final Map<String, ClassFileVersion> classes = new HashMap<>();
-        private final List<String> entries = new ArrayList<>();
+        private final Set<String> entries = new HashSet<>();
 
         private final JarFile jar;