diff --git a/src/lib/@types/index.d.ts b/src/lib/@types/index.d.ts
index 3e4dbe24..948b4d84 100644
--- a/src/lib/@types/index.d.ts
+++ b/src/lib/@types/index.d.ts
@@ -124,6 +124,7 @@ declare module 'simple-keyboard' {
 
   export class Keyboard {
     constructor(selector: string, options: KeyboardOptions);
+    constructor(options: KeyboardOptions);
 
     /**
      * Adds/Modifies an entry to the `buttonTheme`. Basically a way to add a class to a button.