diff --git a/src/main/java/com/cominatyou/db/RedisUserEntry.java b/src/main/java/com/cominatyou/db/RedisUserEntry.java
index 09d8944..3fbd47d 100644
--- a/src/main/java/com/cominatyou/db/RedisUserEntry.java
+++ b/src/main/java/com/cominatyou/db/RedisUserEntry.java
@@ -15,7 +15,7 @@ public class RedisUserEntry {
     final String redisKey;
 
     private void checkForEmptyKey(String key) throws IllegalArgumentException {
-        if (key == null || key.equals("")) {
+        if (key == null || key.isBlank()) {
             throw new IllegalArgumentException("Key cannot be empty");
         }
     }