diff --git a/packages/integrations/image/src/build/ssg.ts b/packages/integrations/image/src/build/ssg.ts
index cda7f76ef..c3cc75642 100644
--- a/packages/integrations/image/src/build/ssg.ts
+++ b/packages/integrations/image/src/build/ssg.ts
@@ -6,10 +6,31 @@ import OS from 'node:os';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 import type { SSRImageService, TransformOptions } from '../loaders/index.js';
-import { loadLocalImage, loadRemoteImage } from '../utils/images.js';
 import { debug, info, LoggerLevel, warn } from '../utils/logger.js';
 import { isRemoteImage } from '../utils/paths.js';
 
+async function loadLocalImage(src: string | URL) {
+	try {
+		return await fs.readFile(src);
+	} catch {
+		return undefined;
+	}
+}
+
+async function loadRemoteImage(src: string) {
+	try {
+		const res = await fetch(src);
+
+		if (!res.ok) {
+			return undefined;
+		}
+
+		return Buffer.from(await res.arrayBuffer());
+	} catch {
+		return undefined;
+	}
+}
+
 function getTimeStat(timeStart: number, timeEnd: number) {
 	const buildTime = timeEnd - timeStart;
 	return buildTime < 750 ? `${Math.round(buildTime)}ms` : `${(buildTime / 1000).toFixed(2)}s`;
diff --git a/packages/integrations/image/src/lib/get-picture.ts b/packages/integrations/image/src/lib/get-picture.ts
index 132d93ee1..e3b07b505 100644
--- a/packages/integrations/image/src/lib/get-picture.ts
+++ b/packages/integrations/image/src/lib/get-picture.ts
@@ -1,9 +1,9 @@
 /// <reference types="astro/astro-jsx" />
 import mime from 'mime';
-import { extname } from 'node:path';
 import { OutputFormat, parseAspectRatio, TransformOptions } from '../loaders/index.js';
 import { ImageMetadata } from '../vite-plugin-astro-image.js';
 import { getImage } from './get-image.js';
+import { extname } from '../utils/paths.js';
 
 export interface GetPictureParams {
 	src: string | ImageMetadata | Promise<{ default: ImageMetadata }>;
diff --git a/packages/integrations/image/src/utils/images.ts b/packages/integrations/image/src/utils/images.ts
deleted file mode 100644
index f9b94b1e8..000000000
--- a/packages/integrations/image/src/utils/images.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import fs from 'node:fs/promises';
-
-export async function loadLocalImage(src: string | URL) {
-	try {
-		return await fs.readFile(src);
-	} catch {
-		return undefined;
-	}
-}
-
-export async function loadRemoteImage(src: string) {
-	try {
-		const res = await fetch(src);
-
-		if (!res.ok) {
-			return undefined;
-		}
-
-		return Buffer.from(await res.arrayBuffer());
-	} catch {
-		return undefined;
-	}
-}
diff --git a/packages/integrations/image/src/utils/paths.ts b/packages/integrations/image/src/utils/paths.ts
index 1f691f35a..1ebf3ece7 100644
--- a/packages/integrations/image/src/utils/paths.ts
+++ b/packages/integrations/image/src/utils/paths.ts
@@ -10,14 +10,15 @@ function removeQueryString(src: string) {
 	return index > 0 ? src.substring(0, index) : src;
 }
 
-function extname(src: string, format?: OutputFormat) {
-	const index = src.lastIndexOf('.');
+export function extname(src: string) {
+	const base = basename(src);
+	const index = base.lastIndexOf('.');
 
 	if (index <= 0) {
 		return '';
 	}
 
-	return src.substring(index);
+	return src.substring(src.length - (base.length - index));
 }
 
 function removeExtname(src: string) {