diff --git a/zboxcore/sdk/chunked_upload_chunk_reader.go b/zboxcore/sdk/chunked_upload_chunk_reader.go
index a54159b3c..308a980b6 100644
--- a/zboxcore/sdk/chunked_upload_chunk_reader.go
+++ b/zboxcore/sdk/chunked_upload_chunk_reader.go
@@ -237,7 +237,7 @@ func (r *chunkedUploadChunkReader) Next() (*ChunkData, error) {
 	}
 
 	if CurrentMode == UploadModeHigh {
-		r.hasherDataChan <- chunkBytes
+		r.hasherDataChan <- chunkBytes[:readLen]
 	} else {
 		_ = r.hasher.WriteToFile(chunkBytes)
 	}
diff --git a/zboxcore/zboxutil/http.go b/zboxcore/zboxutil/http.go
index d8a474fe0..6ec61a5c5 100644
--- a/zboxcore/zboxutil/http.go
+++ b/zboxcore/zboxutil/http.go
@@ -159,10 +159,10 @@ func init() {
 		DisableHeaderNamesNormalizing: true, // If you set the case on your headers correctly you can enable this
 		DisablePathNormalizing:        true,
 		// increase DNS cache time to an hour instead of default minute
-		Dial: (&fasthttp.TCPDialer{
+		DialTimeout: (&fasthttp.TCPDialer{
 			Concurrency:      4096,
 			DNSCacheDuration: time.Hour,
-		}).Dial,
+		}).DialTimeout,
 		ReadTimeout:         180 * time.Second,
 		WriteTimeout:        180 * time.Second,
 		MaxConnDuration:     45 * time.Second,