diff --git a/types/react-native-vector-icons/index.d.ts b/types/react-native-vector-icons/index.d.ts
index 6aabaadd70..01f680220a 100644
--- a/types/react-native-vector-icons/index.d.ts
+++ b/types/react-native-vector-icons/index.d.ts
@@ -35,7 +35,7 @@ export function createIconSet(
  *
  * @see http://fontello.com
  */
-export function createIconSetFromFontello(config: {}): typeof Icon;
+export function createIconSetFromFontello(config: {}, fontName?: string, fontFile?: string): typeof Icon;
 
 /**
  * Convenience method to create a custom font from IcoMoon
@@ -50,4 +50,4 @@ export function createIconSetFromFontello(config: {}): typeof Icon;
  *
  * @see https://icomoon.io/app
  */
-export function createIconSetFromIcoMoon(config: {}): typeof Icon;
+export function createIconSetFromIcoMoon(config: {}, fontName?: string, fontFile?: string): typeof Icon;