diff --git a/src/helpers/image.ts b/src/helpers/image.ts
index 8a39c79..ab4695f 100644
--- a/src/helpers/image.ts
+++ b/src/helpers/image.ts
@@ -1,19 +1,29 @@
 let loadingSharp = false;
 import { rgbaToThumbHash } from "thumbhash";
 
-export async function generateThumbHash(image: { width: number, height: number }) {
+let s: typeof import("sharp") | undefined;
+
+async function getSharp(): Promise<typeof import("sharp") | undefined> {
+
+  if (s) return s;
+
+  if (import.meta.env.MODE !== "development") {
+    s = (await import("sharp")).default;
+    return s;
+  }
+
   if (!loadingSharp) {
     loadingSharp = true;
     setTimeout(async () => {
-      // @ts-ignore
-      globalThis["sharp"] = (await import("sharp")).default;
+      s = (await import("sharp")).default;
     }, 1000);
     return;
   }
+}
 
-  // @ts-ignore
-  const sharp = globalThis["sharp"] as typeof import("sharp");
+export async function generateThumbHash(image: { width: number, height: number }) {
 
+  const sharp = await getSharp();
   if (!sharp) return;
 
   const scaleFactor = 100 / Math.max(image.width, image.height);