diff --git a/src/serialport_win.cpp b/src/serialport_win.cpp
index a98fdd7fd8..0952d53817 100644
--- a/src/serialport_win.cpp
+++ b/src/serialport_win.cpp
@@ -661,7 +661,7 @@ void getSerialNumber(const char *vid,
         &deviceInfoData,
         &DEVPKEY_Device_ContainerId,
         &ulPropertyType,
-        reinterpret_cast<BYTE*>szWUuidBuffer,
+        reinterpret_cast<BYTE*>(szWUuidBuffer),
         sizeof(szWUuidBuffer),
         &dwSize,
         0)) {