diff --git a/src/managers/ApplicationCommandManager.js b/src/managers/ApplicationCommandManager.js
index 58f6298..03b88cb 100644
--- a/src/managers/ApplicationCommandManager.js
+++ b/src/managers/ApplicationCommandManager.js
@@ -235,9 +235,10 @@ class ApplicationCommandManager extends CachedManager {
     }
 
     if ('defaultMemberPermissions' in command) {
-      default_member_permissions = command.defaultMemberPermissions
-        ? new Permissions(command.defaultMemberPermissions).bitfield.toString()
-        : command.defaultMemberPermissions;
+      default_member_permissions =
+        command.defaultMemberPermissions !== null
+          ? new Permissions(command.defaultMemberPermissions).bitfield.toString()
+          : command.defaultMemberPermissions;
     }
     return {
       name: command.name,
diff --git a/src/structures/ApplicationCommand.js b/src/structures/ApplicationCommand.js
index f496a4c..f147df6 100644
--- a/src/structures/ApplicationCommand.js
+++ b/src/structures/ApplicationCommand.js
@@ -389,9 +389,8 @@ class ApplicationCommand extends Base {
     }
 
     if ('defaultMemberPermissions' in command) {
-      defaultMemberPermissions = command.defaultMemberPermissions
-        ? new Permissions(command.defaultMemberPermissions).bitfield
-        : null;
+      defaultMemberPermissions =
+        command.defaultMemberPermissions !== null ? new Permissions(command.defaultMemberPermissions).bitfield : null;
     }
     // Check top level parameters
     const commandType = typeof command.type === 'string' ? command.type : ApplicationCommandTypes[command.type];