diff --git a/types/jquery.growl/index.d.ts b/types/jquery.growl/index.d.ts
index 4507f1ca4f..2a847b8ef7 100644
--- a/types/jquery.growl/index.d.ts
+++ b/types/jquery.growl/index.d.ts
@@ -5,31 +5,34 @@
 
 ///<reference types="jquery" />
 
-interface growlOptions {
-	// Message
-	message: string;
-	// Title
-	title?: string;
-	// URL
-	url?: string;
-	// while hovering over the alert, prevent it from being dismissed (true | false - default: true)
-	delayOnHover?: boolean;
-	// the duration (in milliseconds) for which the alert is displayed (default: 3200)
-	duration?: number;
-	// whether the alert should be fixed rather than auto- dismissed(true | false - default: false)
-	fixed?: boolean;
-	// the alert's position ('tl' | 'tr' | 'bl' | 'br' | 'tc' | 'bc' - default: 'tr')
-	location?: string;
-	// the alert's size ('small' | 'medium' | 'large' - default: 'medium')
-	size?: string;
-	// the alert's style ('default' | 'error' | 'notice' | 'warning' - default: 'default')
-	style?: string;
+declare namespace growl {
+	interface Options {
+		// Message
+		message: string;
+		// Title
+		title?: string;
+		// URL
+		url?: string;
+		// while hovering over the alert, prevent it from being dismissed (true | false - default: true)
+		delayOnHover?: boolean;
+		// the duration (in milliseconds) for which the alert is displayed (default: 3200)
+		duration?: number;
+		// whether the alert should be fixed rather than auto- dismissed(true | false - default: false)
+		fixed?: boolean;
+		// the alert's position ('tl' | 'tr' | 'bl' | 'br' | 'tc' | 'bc' - default: 'tr')
+		location?: string;
+		// the alert's size ('small' | 'medium' | 'large' - default: 'medium')
+		size?: string;
+		// the alert's style ('default' | 'error' | 'notice' | 'warning' - default: 'default')
+		style?: string;
+	}
 }
 
 interface growl {
-	error(options: growlOptions): void;
-	notice(options: growlOptions): void;
-	warning(options: growlOptions): void;
+	(options: growl.Options): void;
+	error(options: growl.Options): void;
+	notice(options: growl.Options): void;
+	warning(options: growl.Options): void;
 }
 
 interface JQueryStatic {
diff --git a/types/jquery.growl/jquery.growl-tests.ts b/types/jquery.growl/jquery.growl-tests.ts
new file mode 100644
index 0000000000..3391441bf1
--- /dev/null
+++ b/types/jquery.growl/jquery.growl-tests.ts
@@ -0,0 +1,4 @@
+$.growl({ title: "Growl", message: "The kitten is awake!" });
+$.growl.error({ message: "The kitten is attacking!" });
+$.growl.notice({ message: "The kitten is cute!" });
+$.growl.warning({ message: "The kitten is ugly!" });
diff --git a/types/jquery.growl/tsconfig.json b/types/jquery.growl/tsconfig.json
index a2cbd4e379..8eb3a19e35 100644
--- a/types/jquery.growl/tsconfig.json
+++ b/types/jquery.growl/tsconfig.json
@@ -16,6 +16,7 @@
         "forceConsistentCasingInFileNames": true
     },
     "files": [
-        "index.d.ts"
+        "index.d.ts",
+        "jquery.growl-tests.ts"
     ]
 }