diff --git a/types/kissfft-js/index.d.ts b/types/kissfft-js/index.d.ts
index 11f41a3505..14977f7aaa 100644
--- a/types/kissfft-js/index.d.ts
+++ b/types/kissfft-js/index.d.ts
@@ -15,3 +15,5 @@ export class FFT extends AbstractKissFFT {
 
 export class FFTR extends AbstractKissFFT {
 }
+
+export {}