diff --git a/server/src/tiles/utils/tiles.ts b/server/src/tiles/utils/tiles.ts
index 2388f98..4a2abe9 100644
--- a/server/src/tiles/utils/tiles.ts
+++ b/server/src/tiles/utils/tiles.ts
@@ -126,7 +126,7 @@ export async function generateTilesForZoomLevel(uploadDir: string, tileFolder: s
 
         Logger.log('sharping step 2')
         if (initialZoomImage) {
-            await sharp(initialZoomImage.data.buffer)
+            await sharp(initialZoomImage.data)
                 .resize({
                     width: roundUpToNearest(Math.ceil(boundsWidthPixel) + Math.ceil(paddingLeftPixel) + Math.ceil(paddingRightPixel), Math.abs(minX - (maxX + 1))),
                     height: roundUpToNearest(Math.ceil(boundsHeightPixel) + Math.ceil(paddingTopPixel) + Math.ceil(paddingBottomPixel), Math.abs(minY - (maxY + 1))),