diff --git a/updateversion.bat b/updateversion.bat
new file mode 100644
index 0000000..e5cc147
--- /dev/null
+++ b/updateversion.bat
@@ -0,0 +1,4 @@
+set BASH=..\zr-devenv\win32\bin\bash.exe
+set DATEPATH=../zr-devenv/win32/bin/date.exe
+
+%BASH% updateversion.sh %DATEPATH%
diff --git a/updateversion.sh b/updateversion.sh
index 7f9793d..1625d60 100755
--- a/updateversion.sh
+++ b/updateversion.sh
@@ -1,10 +1,19 @@
-#/bin/sh
+#!/bin/sh
+
+# Command for printing date.
+ZR_DATEPATH='date'
+
+if [ "$1" ]
+then
+    ZR_DATEPATH=$1
+fi
 
 ZR_VERSION_FILE="src/zr/hgversion.h.inc"
 
 ZR_PRODUCT_NAME="Zombie:Reloaded"
 ZR_COPYRIGHT="Copyright (C) 2009  Greyscale, Richard Helgeby"
 ZR_LICENSE="GNU GPL, Version 3"
+ZR_DATE=$($ZR_DATEPATH -R)
 
 echo "#define ZR_VER_PRODUCT_NAME     \"$ZR_PRODUCT_NAME\"" > $ZR_VERSION_FILE
 echo "#define ZR_VER_COPYRIGHT        \"$ZR_COPYRIGHT\"" >> $ZR_VERSION_FILE
@@ -12,4 +21,6 @@ echo "#define ZR_VER_VERSION          VERSION" >> $ZR_VERSION_FILE
 echo "#define ZR_VER_BRANCH           \"$(hg id -b)\"" >> $ZR_VERSION_FILE
 echo "#define ZR_VER_REVISION         \"$(hg id -n):$(hg id -i)\"" >> $ZR_VERSION_FILE
 echo "#define ZR_VER_LICENSE          \"$ZR_LICENSE\"" >> $ZR_VERSION_FILE
-echo "#define ZR_VER_DATE             \"$(date)\"" >> $ZR_VERSION_FILE
+echo "#define ZR_VER_DATE             \"$ZR_DATE\"" >> $ZR_VERSION_FILE
+
+echo "Updated $ZR_VERSION_FILE"