diff --git a/mod.ts b/mod.ts
index 4355de5..a0b8458 100644
--- a/mod.ts
+++ b/mod.ts
@@ -60,13 +60,13 @@ export function encode(
     depth?: ValueOf<typeof BitDepth>;
     compression?: ValueOf<typeof Compression>;
     filter?: ValueOf<typeof FilterType>;
-    stripAlpha?: boolean
+    stripAlpha?: boolean;
   },
 ): Uint8Array {
   if (options?.stripAlpha) {
     image = image.filter((_, i) => (i + 1) % 4);
   }
-  
+
   return wasmEncode(
     image,
     width,