diff --git a/request/request-tests.ts b/request/request-tests.ts
index 986702c27a..506205db8d 100644
--- a/request/request-tests.ts
+++ b/request/request-tests.ts
@@ -69,7 +69,7 @@ var options: request.Options = {
 
 	},
 	jar: value,
-	form: value,
+	form: obj,
 	oauth: value,
 	aws: aws,
 	qs: obj,
diff --git a/request/request.d.ts b/request/request.d.ts
index fc03a7e193..d8d058d1d6 100644
--- a/request/request.d.ts
+++ b/request/request.d.ts
@@ -61,7 +61,7 @@ declare module 'request' {
 			uri?: string;
 			callback?: (error: any, response: any, body: any) => void;
 			jar?: any; // CookieJar
-			form?: FormData;
+			form?: any; // Object or string
 			oauth?: OAuthOptions;
 			aws?: AWSOptions;
 			hawk ?: HawkOptions;