diff --git a/Nefarius.Peripherals.SerialPort/NativeMethods.txt b/Nefarius.Peripherals.SerialPort/NativeMethods.txt
index c2b548f..e754077 100644
--- a/Nefarius.Peripherals.SerialPort/NativeMethods.txt
+++ b/Nefarius.Peripherals.SerialPort/NativeMethods.txt
@@ -1,4 +1,4 @@
-CreateFile
+CreateFile
 GetHandleInformation
 SetCommState
 SetCommTimeouts
@@ -13,4 +13,5 @@ EscapeCommFunction
 GetCommModemStatus
 GetOverlappedResult
 ClearCommError
-GetCommProperties
\ No newline at end of file
+GetCommProperties
+WIN32_ERROR
\ No newline at end of file