diff --git a/eco-util/src/main/java/com/willfp/eco/util/config/BaseConfig.java b/eco-util/src/main/java/com/willfp/eco/util/config/BaseConfig.java
index ddbf1f82..4e73c184 100644
--- a/eco-util/src/main/java/com/willfp/eco/util/config/BaseConfig.java
+++ b/eco-util/src/main/java/com/willfp/eco/util/config/BaseConfig.java
@@ -44,7 +44,8 @@ public abstract class BaseConfig extends PluginDependent {
      * @param configName   The name of the config
      * @param removeUnused Whether keys not present in the default config should be removed on update.
      */
-    protected BaseConfig(String configName, boolean removeUnused) {
+    protected BaseConfig(@NotNull final String configName,
+                         final boolean removeUnused) {
         super(AbstractEcoPlugin.getInstance());
         this.name = configName + ".yml";
         this.removeUnused = removeUnused;