diff --git a/javacord-api/src/main/java/org/javacord/api/entity/server/Server.java b/javacord-api/src/main/java/org/javacord/api/entity/server/Server.java
index 027154456..3827bcf26 100644
--- a/javacord-api/src/main/java/org/javacord/api/entity/server/Server.java
+++ b/javacord-api/src/main/java/org/javacord/api/entity/server/Server.java
@@ -2172,7 +2172,7 @@ default CompletableFuture<Void> banUser(User user, Duration duration, String rea
      * @return A future to check if the ban was successful.
      */
     default CompletableFuture<Void> banUser(String userId) {
-        return banUser(userId, null);
+        return banUser(userId, Duration.ZERO);
     }
 
     /**