diff --git a/src/structures/Guild.js b/src/structures/Guild.js
index 83aae6a71..33cbb2425 100644
--- a/src/structures/Guild.js
+++ b/src/structures/Guild.js
@@ -118,7 +118,7 @@ class Guild {
      * The ID of the application that created this guild (if applicable)
      * @type {?string}
      */
-    this.applicationId = data.application_id;
+    this.applicationID = data.application_id;
 
     /**
      * A collection of emojis that are in this guild. The key is the emoji's ID, the value is the emoji.