diff --git a/types/inputmask/index.d.ts b/types/inputmask/index.d.ts
index 16d3955e81..e93c1b07cd 100644
--- a/types/inputmask/index.d.ts
+++ b/types/inputmask/index.d.ts
@@ -637,7 +637,7 @@ declare namespace Inputmask {
          *
          * @param opts Mask options.
          */
-        (opts: Options): Instance;
+        (opts?: Options): Instance;
 
         /**
          * Creates a new Inputmask instance.
@@ -651,7 +651,7 @@ declare namespace Inputmask {
          *
          * @param opts Mask options.
          */
-        new (opts: Options): Instance;
+        new (opts?: Options): Instance;
 
         /**
          * Extends the default inputmask options.
@@ -778,7 +778,7 @@ declare global {
          *
          * @param opts Mask options.
          */
-        inputmask(opts: Inputmask.Options): Inputmask.Instance;
+        inputmask(opts?: Inputmask.Options): Inputmask.Instance;
     }
 }
 
diff --git a/types/inputmask/test/inputmask-global-tests.ts b/types/inputmask/test/inputmask-global-tests.ts
index 76da373193..985c774e62 100644
--- a/types/inputmask/test/inputmask-global-tests.ts
+++ b/types/inputmask/test/inputmask-global-tests.ts
@@ -78,6 +78,10 @@ Inputmask("9", { repeat: 10 }).mask("selector");
 Inputmask({ regex: "\\d*" }).mask("selector");
 Inputmask({ regex: String.raw`\d*` }).mask("selector");
 
+let inputElement!: HTMLInputElement;
+Inputmask().mask(inputElement);
+Inputmask().mask([inputElement, inputElement]);
+
 Inputmask.extendDefaults({
 	autoUnmask: true
 });
diff --git a/types/inputmask/test/inputmask-jquery-tests.ts b/types/inputmask/test/inputmask-jquery-tests.ts
index 81d3900ef1..2ded13c9d5 100644
--- a/types/inputmask/test/inputmask-jquery-tests.ts
+++ b/types/inputmask/test/inputmask-jquery-tests.ts
@@ -2,6 +2,8 @@
 
 $("#testmask").inputmask("remove");
 
+$(":input").inputmask();
+
 let value: string = $("#testmask").inputmask("unmaskedvalue");
 
 $("#testmask").inputmask({
diff --git a/types/inputmask/test/inputmask-module-tests.ts b/types/inputmask/test/inputmask-module-tests.ts
index af52c217e3..31a969a21a 100644
--- a/types/inputmask/test/inputmask-module-tests.ts
+++ b/types/inputmask/test/inputmask-module-tests.ts
@@ -80,6 +80,10 @@ Inputmask("9", { repeat: 10 }).mask("selector");
 Inputmask({ regex: "\\d*" }).mask("selector");
 Inputmask({ regex: String.raw`\d*` }).mask("selector");
 
+let inputElement!: HTMLInputElement;
+Inputmask().mask(inputElement);
+Inputmask().mask([inputElement, inputElement]);
+
 Inputmask.extendDefaults({
 	autoUnmask: true
 });