diff --git a/DAPNETGateway.cpp b/DAPNETGateway.cpp
index 834c5ba..a66b521 100644
--- a/DAPNETGateway.cpp
+++ b/DAPNETGateway.cpp
@@ -22,6 +22,8 @@
 #include "Thread.h"
 #include "Timer.h"
 #include "Log.h"
+#include "GitVersion.h"
+
 #include "REGEX.h"
 #include <regex>
 
@@ -80,7 +82,7 @@ int main(int argc, char** argv)
 		for (int currentArg = 1; currentArg < argc; ++currentArg) {
 			std::string arg = argv[currentArg];
 			if ((arg == "-v") || (arg == "--version")) {
-				::fprintf(stdout, "DAPNETGateway version %s\n", VERSION);
+				::fprintf(stdout, "DAPNETGateway version %s git #%.7s\n", VERSION, gitversion);
 				return 0;
 			} else if (arg.substr(0, 1) == "-") {
 				::fprintf(stderr, "Usage: DAPNETGateway [-v|--version] [filename]\n");
diff --git a/DAPNETGateway.vcxproj b/DAPNETGateway.vcxproj
index dc023f7..0a39333 100644
--- a/DAPNETGateway.vcxproj
+++ b/DAPNETGateway.vcxproj
@@ -127,6 +127,9 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PreBuildEvent>
+      <Command>prebuild.cmd</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
@@ -142,6 +145,9 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PreBuildEvent>
+      <Command>prebuild.cmd</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
@@ -161,6 +167,9 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PreBuildEvent>
+      <Command>prebuild.cmd</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
@@ -180,6 +189,9 @@
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalDependencies>ws2_32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PreBuildEvent>
+      <Command>prebuild.cmd</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/UDPSocket.h b/UDPSocket.h
index 28e350c..75228a3 100644
--- a/UDPSocket.h
+++ b/UDPSocket.h
@@ -69,10 +69,11 @@ private:
 	unsigned short m_localPort;
 #if defined(_WIN32) || defined(_WIN64)
 	SOCKET         m_fd;
+	int            m_af;
 #else
 	int            m_fd;
-#endif
 	sa_family_t    m_af;
+#endif
 };
 
 #endif
diff --git a/prebuild.cmd b/prebuild.cmd
new file mode 100644
index 0000000..2dc5f9d
--- /dev/null
+++ b/prebuild.cmd
@@ -0,0 +1,38 @@
+@echo off
+REM This pre-build file is for MSVS VC++. It parses the git master hash and
+REM converts it into GitVersion.h for compiling into builds. [George M1GEO]
+
+cd %1
+setlocal enabledelayedexpansion
+set HEADFILE=.git\HEAD
+set HASHFILE=0
+if exist %HEADFILE% (
+	for /F "tokens=4 delims=/:" %%a in ('type %HEADFILE%') do set HEADBRANCH=%%a	
+	set HASHFILE=.git\refs\heads\!HEADBRANCH!
+	echo Found Git HEAD file: %HEADFILE%   
+	echo Git HEAD branch: !HEADBRANCH!
+	echo Git HASH file: !HASHFILE!
+	call :USEHASH
+) else (
+	echo No head file :(
+	call :USENULL
+)
+
+goto :EOF
+
+:USENULL
+set GITHASH=0000000000000000000000000000000000000000
+goto :WRITEGITVERSIONHEADER
+
+:USEHASH
+for /f %%i in ('type !HASHFILE!') do set GITHASH=%%i
+goto :WRITEGITVERSIONHEADER
+
+:WRITEGITVERSIONHEADER
+echo // File contains Git commit ID SHA1 present at buildtime (prebuild.cmd) > GitVersion.h
+echo const char *gitversion = "%GITHASH%"; >> GitVersion.h
+echo Current Git HASH: %GITHASH%
+goto :FINISHED
+
+:FINISHED
+echo GitVersion.h written...