diff --git a/jquery.maskedinput/jquery.maskedinput.d.ts b/jquery.maskedinput/jquery.maskedinput.d.ts
new file mode 100644
index 0000000000..4691ebcd25
--- /dev/null
+++ b/jquery.maskedinput/jquery.maskedinput.d.ts
@@ -0,0 +1,24 @@
+/// <reference path="../jquery/jquery.d.ts" />
+
+interface Caret {
+	begin: number;
+	end: number;
+}
+
+interface JQuery {
+	caret(): Caret;
+	caret(begin: number, end?: number);
+
+	mask(format: string): JQuery;
+	unmask(): JQuery;
+}
+
+interface JQueryMaskedInputOptions {
+	definitions: {
+		[entry: string]: string;
+	};
+}
+
+interface JQueryStatic {
+	mask: JQueryMaskedInputOptions;
+}