diff --git a/index.d.ts b/index.d.ts
index 6dc91c9..904d28c 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -336,7 +336,7 @@ export function prettyT(type: any): any;
 
 export function prodType(typeParam: any): any;
 
-export function recomputeTypeVars(types: any): any;
+export function recomputeTypeVars(types: any, skip: number): any;
 
 export function setType(typeParam: any): any;