diff --git a/src/app/WEBClient.h b/src/app/WEBClient.h
index 3cf0af4..4822182 100644
--- a/src/app/WEBClient.h
+++ b/src/app/WEBClient.h
@@ -16,7 +16,7 @@ class WEBClient : public TCPClient
 	private:
     WEBServer<WEBClient>::HttpRequestData _httpRequestData;
     WEBServer<WEBClient>::HttpParserStatus _httpParserState = WEBServer<WEBClient>::HttpParserStatus::PARSE_HTTP_VERB;
-    uint64_t _fileSentBytes = 0;
+    size_t _fileSentBytes = 0;
     struct 
     {
       bool _rangeRequest;