diff --git a/build_data.sh b/build_data.sh
index 8febefaac..1b00c2bca 100755
--- a/build_data.sh
+++ b/build_data.sh
@@ -18,7 +18,7 @@
 # Data files needed:
 #   data1.cab and data1.hdr from the original CDROM
 #   the WoG release v3.58f: allinone_358f.zip
-#   the VCMI distribution: vcmi_08.zip
+#   the VCMI distribution: vcmi_081.zip
 
 # Usage: put this script and the 4 data files into the same directory
 # and run the script.
@@ -101,13 +101,13 @@ cd ../../..
 
 
 # Extract Data from VCMI release
-# 4060120 .... vcmi_08.zip
+# 4163517 .... vcmi_081.zip
 
 rm -rf temp
 mkdir temp
 cd temp
 
-unzip ../vcmi_08.zip
+unzip ../vcmi_081.zip
 
 find . -name "*.dll" | xargs rm -f
 find . -name "*.DLL" | xargs rm -f
diff --git a/configure.ac b/configure.ac
index 3d58a24d8..c90261ae5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.60)
-AC_INIT(vcmi, 0.8)				# Follow NAME_VER in global.h
+AC_INIT(vcmi, 0.81b)				# Follow NAME_VER in global.h
 AM_INIT_AUTOMAKE
 AC_CONFIG_MACRO_DIR([aclocal/m4])