diff --git a/vite.config.ts b/vite.config.ts
index 814e547..0537844 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -1,11 +1,11 @@
 import { sveltekit } from "@sveltejs/kit/vite";
-import { defineConfig } from "vite";
+import { defineConfig, type PluginOption } from "vite";
 import { viteStaticCopy } from "vite-plugin-static-copy";
 import svg from "@poppanator/sveltekit-svg";
 import wasm from "vite-plugin-wasm";
 
-export default defineConfig({
-	plugins: [
+export default defineConfig(({ command }) => {
+	const plugins: PluginOption[] = [
 		sveltekit(),
 		{
 			name: "vips-request-middleware",
@@ -45,27 +45,35 @@ export default defineConfig({
 				},
 			],
 		}),
-	],
-	worker: {
-		plugins: () => [wasm()],
-		format: "es",
-	},
-	optimizeDeps: {
-		exclude: [
-			"wasm-vips",
-			"@ffmpeg/core-mt",
-			"@ffmpeg/ffmpeg",
-			"@ffmpeg/util",
-		],
-	},
-	css: {
-		preprocessorOptions: {
-			scss: {
-				api: "modern",
+	];
+
+	if (command === "serve") {
+		plugins.unshift(wasm());
+	}
+
+	return {
+		plugins,
+		worker: {
+			plugins: () => [wasm()],
+			format: "es",
+		},
+		optimizeDeps: {
+			exclude: [
+				"wasm-vips",
+				"@ffmpeg/core-mt",
+				"@ffmpeg/ffmpeg",
+				"@ffmpeg/util",
+			],
+		},
+		css: {
+			preprocessorOptions: {
+				scss: {
+					api: "modern",
+				},
 			},
 		},
-	},
-	build: {
-		target: "esnext",
-	},
+		build: {
+			target: "esnext",
+		},
+	};
 });