diff --git a/package.json b/package.json
index 490bae7..f21bb18 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "commandparser",
-  "version": "1.0.19",
+  "version": "1.0.20",
   "description": "Parser meant to parse commands and their options for discord bots",
   "main": "build/index.js",
   "author": "Navy.gif",
diff --git a/src/Parser.ts b/src/Parser.ts
index b0e2502..757d7f6 100644
--- a/src/Parser.ts
+++ b/src/Parser.ts
@@ -1,8 +1,8 @@
 // eslint-disable-next-line max-classes-per-file
 import { EventEmitter } from 'events';
+import Command from './classes/Command';
 import CommandOption from './classes/CommandOption';
 
-import ICommand from "./interfaces/Command";
 import { OptionType } from "./interfaces/CommandOption";
 import IResolver from './interfaces/Resolver';
 import ExtendedMap from "./util/Map";
@@ -14,13 +14,13 @@ type ArgsResult = {
 
 type ParseResult = {
     args: ArgsResult,
-    command: ICommand,
+    command: Command,
     subcommand: string | null,
     subcommandGroup: string | null
 }
 
 type ParserOptions = {
-    commands: Iterable<ICommand>,
+    commands: Iterable<Command>,
     prefix?: string,
     debug?: boolean,
     resolver: IResolver<unknown, unknown, unknown, unknown, unknown>
@@ -32,7 +32,7 @@ const flagReg = /(?:^| )(?<flag>(?:--[a-z0-9]{3,})|(?:-[a-z]{1,2}))(?:$| )/iu;
 
 class Parser extends EventEmitter {
 
-    private commands: ExtendedMap<string, ICommand>;
+    private commands: ExtendedMap<string, Command>;
 
     private _debug = false;
 
@@ -45,7 +45,7 @@ class Parser extends EventEmitter {
         super();
 
         this._debug = debug;
-        this.commands = new ExtendedMap<string, ICommand>();
+        this.commands = new ExtendedMap<string, Command>();
         for (const command of commands) this.commands.set(command.name, command);
         this.resolver = resolver;
         
@@ -53,7 +53,7 @@ class Parser extends EventEmitter {
 
     }
 
-    private matchCommand(name: string): ICommand | null {
+    private matchCommand(name: string): Command | null {
         let command = null;
         if (this.commands.has(name)) command = this.commands.get(name);
         else command = this.commands.find((c) => c.aliases.includes(name));
@@ -73,7 +73,7 @@ class Parser extends EventEmitter {
      */
     // eslint-disable-next-line  @typescript-eslint/ban-types
     async parseMessage(message: string, prefix = this.prefix,
-        guild?: unknown, commandFilter?: (command: ICommand) => boolean): Promise<ParseResult | null> {
+        guild?: unknown, commandFilter?: (command: Command) => boolean): Promise<ParseResult | null> {
 
         if (!message.startsWith(prefix) || !message.length) return null;
         let params: string[] = message.replace(prefix, '').split(' ').filter((str) => str.length);
diff --git a/src/classes/CommandOption.ts b/src/classes/CommandOption.ts
index 986b61c..b6c180f 100644
--- a/src/classes/CommandOption.ts
+++ b/src/classes/CommandOption.ts
@@ -44,7 +44,7 @@ class CommandOption implements ICommandOption {
 
     private resolver?: IResolver<unknown, unknown, unknown, unknown, unknown>|undefined = undefined;
 
-    constructor(def: CommandOptionDefinition|ICommandOption) {
+    constructor(def: CommandOptionDefinition|CommandOption|ICommandOption) {
 
         this.name = def.name;
         this.aliases = def.aliases || [];