diff --git a/media/mtp/MtpDataPacket.cpp b/media/mtp/MtpDataPacket.cpp
index 992dc9a..5dbcd08 100644
--- a/media/mtp/MtpDataPacket.cpp
+++ b/media/mtp/MtpDataPacket.cpp
@@ -561,7 +561,7 @@
     return processedBytes == mPacketSize ? processedBytes : -1;
 }
 
-int MtpDataPacket::write(struct usb_request *request,
+int64_t MtpDataPacket::write(struct usb_request *request,
                          UrbPacketDivisionMode divisionMode,
                          int fd,
                          size_t payloadSize) {