diff --git a/l/xvidcore/xvidcore-1.2.2.tar.gz.sha1 b/l/xvidcore/xvidcore-1.2.2.tar.gz.sha1
deleted file mode 100644
index 49a22502..00000000
--- a/l/xvidcore/xvidcore-1.2.2.tar.gz.sha1
+++ /dev/null
@@ -1 +0,0 @@
-d6e73c725b2fe74695f9fd129966c98f81b27fea  xvidcore-1.2.2.tar.gz
diff --git a/l/xvidcore/xvidcore-1.3.1.tar.gz.sha1 b/l/xvidcore/xvidcore-1.3.1.tar.gz.sha1
new file mode 100644
index 00000000..c46ff641
--- /dev/null
+++ b/l/xvidcore/xvidcore-1.3.1.tar.gz.sha1
@@ -0,0 +1 @@
+68c73b9a00dfb830083f619335eb876b0f845bec  xvidcore-1.3.1.tar.gz
diff --git a/l/xvidcore/xvidcore.SlackBuild b/l/xvidcore/xvidcore.SlackBuild
index 11965c92..6dad5ed9 100755
--- a/l/xvidcore/xvidcore.SlackBuild
+++ b/l/xvidcore/xvidcore.SlackBuild
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Build script for Slackware
-# Copyright (C) 2008,2009 Damien Goutte-Gattat
+# Copyright (C) 2008,2009,2011 Damien Goutte-Gattat
 #
 # Redistribution and use of this script, with or without modifications,
 # is permitted provided that the following conditions are met:
@@ -26,14 +26,14 @@
 
 # Source package infos
 NAMESRC=${NAMESRC:-xvidcore}
-VERSION=${VERSION:-1.2.2}
+VERSION=${VERSION:-1.3.1}
 ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.tar.gz}
 WGET=${WGET:-http://downloads.xvid.org/downloads/$ARCHIVE}
 
 # Built package infos
 NAMEPKG=${NAMEPKG:-xvidcore}
 BUILD=${BUILD:-1GGD}
-ARCH=${ARCH:-i486}
+ARCH=${ARCH:-$(uname -m | sed 's/^i.86$/i486/;s/^arm.*/arm/')}
 JOBS=${JOBS:-1}
 EXT=${EXT:-txz}
 
@@ -93,9 +93,12 @@ make install DESTDIR=$PKG
 
 # Don't follow the advice in doc/INSTALL. A library must either
 # use the Libtool's versioning scheme, or not be versioned at all.
-mv $PKG/usr/lib$LIBDIRSUFFIX/libxvidcore.so.4.2 \
+mv $PKG/usr/lib$LIBDIRSUFFIX/libxvidcore.so.4.3 \
    $PKG/usr/lib$LIBDIRSUFFIX/libxvidcore.so
 
+# Remove static library
+rm $PKG/usr/lib$LIBDIRSUFFIX/libxvidcore.a
+
 # Strip binaries
 find $PKG | xargs file | grep "ELF \(32\|64\)-bit LSB" | cut -d : -f 1 | \
   xargs strip --strip-unneeded 2> /dev/null
@@ -104,7 +107,7 @@ find $PKG | xargs file | grep "ELF \(32\|64\)-bit LSB" | cut -d : -f 1 | \
 cd $TMP/$NAME
 mkdir -p $PKG/usr/doc/$NAMEPKG-$VERSION
 install -m 644 \
-  AUTHORS ChangeLog{,-1.0} CodingStyle LICENSE README TODO doc/INSTALL \
+  AUTHORS ChangeLog{,-1.0} CodingStyle LICENSE README TODO \
   $PKG/usr/doc/$NAMEPKG-$VERSION
 
 # Copy slack-desc file