X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/2d52424e94e617627e4438fd207ee94949409328..b365559d0b92cbd2193d72365d32baa62c62a98e:/hotline/transaction_handlers.go

diff --git a/hotline/transaction_handlers.go b/hotline/transaction_handlers.go
index 5dc2be5..9e524e8 100644
--- a/hotline/transaction_handlers.go
+++ b/hotline/transaction_handlers.go
@@ -1411,7 +1411,9 @@ func HandleDownloadFolder(cc *ClientConn, t *Transaction) (res []Transaction, er
 		ReferenceNumber: transactionRef,
 		Type:            FolderDownload,
 	}
+	cc.Server.mux.Lock()
 	cc.Server.FileTransfers[data] = fileTransfer
+	cc.Server.mux.Unlock()
 	cc.Transfers[FolderDownload] = append(cc.Transfers[FolderDownload], fileTransfer)
 
 	var fp FilePath