diff --git a/src/main/java/cc.fascinated/service/PlayerService.java b/src/main/java/cc.fascinated/service/PlayerService.java
index c91310e..0d77163 100644
--- a/src/main/java/cc.fascinated/service/PlayerService.java
+++ b/src/main/java/cc.fascinated/service/PlayerService.java
@@ -86,7 +86,7 @@ public class PlayerService {
      */
     private UUID usernameToUuid(String username) {
         log.info("Getting UUID from username: {}", username);
-        Optional<CachedPlayerName> cachedPlayerName = playerNameCacheRepository.findById(username);
+        Optional<CachedPlayerName> cachedPlayerName = playerNameCacheRepository.findById(username.toUpperCase());
         if (cachedPlayerName.isPresent()) {
             return cachedPlayerName.get().getUniqueId();
         }