diff --git a/packages/backend/src/services/drive/add-file.ts b/packages/backend/src/services/drive/add-file.ts
index a790fd5104..47b19e23ab 100644
--- a/packages/backend/src/services/drive/add-file.ts
+++ b/packages/backend/src/services/drive/add-file.ts
@@ -217,8 +217,10 @@ export async function generateAlts(path: string, type: string, generateWeb: bool
 		logger.info('creating web image');
 
 		try {
-			if (['image/jpeg', 'image/webp'].includes(type)) {
+			if (['image/jpeg'].includes(type)) {
 				webpublic = await convertSharpToJpeg(img, 2048, 2048);
+			} else if (['image/webp'].includes(type)) {
+				webpublic = await convertSharpToPng(img, 2048, 2048);
 			} else if (['image/png'].includes(type)) {
 				webpublic = await convertSharpToPng(img, 2048, 2048);
 			} else if (['image/svg+xml'].includes(type)) {
diff --git a/packages/client/src/scripts/upload.ts b/packages/client/src/scripts/upload.ts
index 714c98d6a8..b1562f4a6a 100644
--- a/packages/client/src/scripts/upload.ts
+++ b/packages/client/src/scripts/upload.ts
@@ -18,7 +18,7 @@ export const uploads = ref<Uploading[]>([]);
 
 const compressTypeMap = {
 	'image/jpeg': { quality: 0.85, mimeType: 'image/jpeg' },
-	'image/webp': { quality: 0.85, mimeType: 'image/jpeg' },
+	'image/webp': { quality: 0.85, mimeType: 'image/png' },
 	'image/svg+xml': { quality: 1, mimeType: 'image/png' },
 } as const;