diff --git a/src/structures/GuildChannel.js b/src/structures/GuildChannel.js
index 31d27f807e16..6eb25e8f59a8 100644
--- a/src/structures/GuildChannel.js
+++ b/src/structures/GuildChannel.js
@@ -514,7 +514,7 @@ class GuildChannel extends Channel {
           max_uses: maxUses,
           unique,
           target_user_id: this.client.users.resolveID(targetUser),
-          target_application_id: targetApplication.id ?? targetApplication,
+          target_application_id: targetApplication?.applicationID ?? targetApplication,
           target_type: targetType,
         },
         reason,
diff --git a/src/structures/IntegrationApplication.js b/src/structures/IntegrationApplication.js
index 053338d8a42c..208d301c3ca5 100644
--- a/src/structures/IntegrationApplication.js
+++ b/src/structures/IntegrationApplication.js
@@ -26,7 +26,7 @@ class IntegrationApplication extends Application {
      * The url of the app's privacy policy
      * @type {?string}
      */
-    this.privacyPolicyURL = data.privacyPolicyURL ?? this.data.privacyPolicyURL ?? null;
+    this.privacyPolicyURL = data.privacyPolicyURL ?? this.privacyPolicyURL ?? null;
 
     /**
      * The Array of RPC origin urls
diff --git a/src/structures/Invite.js b/src/structures/Invite.js
index b3d328560e8b..8effa1c4f9f9 100644
--- a/src/structures/Invite.js
+++ b/src/structures/Invite.js
@@ -81,7 +81,9 @@ class Invite extends Base {
      * The target application of this invite
      * @type {?IntegrationApplication}
      */
-    this.targetApplication = data.target_application ? new IntegrationApplication(data.target_application) : null;
+    this.targetApplication = data.target_application
+      ? new IntegrationApplication(this.client, data.target_application)
+      : null;
 
     /**
      * The type of the invite target: