diff --git a/src/main/java/uta/cse3310/Leaderboard.java b/src/main/java/uta/cse3310/Leaderboard.java
index a10666e..d014d48 100644
--- a/src/main/java/uta/cse3310/Leaderboard.java
+++ b/src/main/java/uta/cse3310/Leaderboard.java
@@ -7,7 +7,7 @@ public class Leaderboard {
     public TreeMap<String, Integer> LB;
 	public SortedSet sortedScore;
 
-	static SortedSet<Map.Entry<K,V>> sortingScore(Map<K,V> map) {
+	static <K,V> SortedSet<Map.Entry<K,V>> sortingScore(Map<K,V> map) {
         SortedSet<Map.Entry<K,V>> sortedEntries = new TreeSet<Map.Entry<K,V>>(
             new Comparator<Map.Entry<K,V>>() {
                 @Override public int compare(Map.Entry<K,V> e1, Map.Entry<K,V> e2) {