diff --git a/core/core.js b/core/core.js
index fff9e6a9..4f7ce728 100644
--- a/core/core.js
+++ b/core/core.js
@@ -532,6 +532,9 @@ function sendData(response, data, type, headers) {
 			startsWithBytes(data, [0x47, 0x49, 0x46, 0x38, 0x39, 0x61])) {
 			response.writeHead(200, Object.assign({"Content-Type": "image/gif", "Content-Length": data.byteLength}, headers || {}));
 			response.end(data);
+		} else if (startsWithBytes(data, [0x52, 0x49, 0x46, 0x46, null, null, null, null, 0x57, 0x45, 0x42, 0x50])) {
+			response.writeHead(200, Object.assign({"Content-Type": "image/webp", "Content-Length": data.byteLength}, headers || {}));
+			response.end(data);
 		} else if (startsWithBytes(data, [null, null, null, null, 0x66, 0x74, 0x79, 0x70, 0x6d, 0x70, 0x34, 0x32])) {
 			response.writeHead(200, Object.assign({"Content-Type": "audio/mpeg", "Content-Length": data.byteLength}, headers || {}));
 			response.end(data);