diff --git a/types/image-size/image-size-tests.ts b/types/image-size/image-size-tests.ts
index 058ed7934f..633169105d 100644
--- a/types/image-size/image-size-tests.ts
+++ b/types/image-size/image-size-tests.ts
@@ -4,11 +4,11 @@ import sizeOf = require("image-size");
 
 // Synchronous
 const dimensions = sizeOf("images/funny-cats.png");
-console.log(dimensions.width, dimensions.height);
+console.log(dimensions.width, dimensions.height, dimensions.orientation);
 
 // Asynchronous
 sizeOf("images/funny-cats.png", (err, dimensions) => {
-  console.log(dimensions.width, dimensions.height);
+  console.log(dimensions.width, dimensions.height, dimensions.orientation);
 });
 
 // From URL
diff --git a/types/image-size/index.d.ts b/types/image-size/index.d.ts
index 9e8681d514..51540c8fe5 100644
--- a/types/image-size/index.d.ts
+++ b/types/image-size/index.d.ts
@@ -6,11 +6,11 @@
 /// <reference types="node" />
 
 
-
 interface ImageInfo {
     width: number;
     height: number;
     type: string;
+    orientation?: number;
 }
 
 declare function sizeOf(path: string): ImageInfo;