diff --git a/src/main/java/net/william278/velocitab/config/Placeholder.java b/src/main/java/net/william278/velocitab/config/Placeholder.java
index e1c4205..9a9f11e 100644
--- a/src/main/java/net/william278/velocitab/config/Placeholder.java
+++ b/src/main/java/net/william278/velocitab/config/Placeholder.java
@@ -34,6 +34,7 @@ public enum Placeholder {
         this.formatter = formatter;
     }
 
+    @NotNull
     public static String format(@NotNull String format, @NotNull Velocitab plugin, @NotNull TabPlayer player) {
         for (Placeholder placeholder : values()) {
             format = format.replace("%" + placeholder.name().toLowerCase() + "%", placeholder.formatter.apply(plugin, player));