diff --git a/system/unrar/unrar.SlackBuild b/system/unrar/unrar.SlackBuild
index 1275e3175e..d2b18c9557 100644
--- a/system/unrar/unrar.SlackBuild
+++ b/system/unrar/unrar.SlackBuild
@@ -23,18 +23,17 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # Updated by Andrew Brouwers
+# Updated by Niklas 'Nille' Åkerström
 
 PRGNAM=unrar
-VERSION=3.9.7
+VERSION=4.0.3
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
-# Automatically determine the architecture we're building on:
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
     i?86) ARCH=i486 ;;
     arm*) ARCH=arm ;;
-    # Unless $ARCH is already set, use uname -m for all other archs:
        *) ARCH=$( uname -m ) ;;
   esac
 fi
@@ -51,12 +50,10 @@ case "$ARCH" in
              ;;
   i686)      SLKCFLAGS="-O2 -march=i686 -mtune=i686"
              ;;
-  s390)      SLKCFLAGS="-O2"
-             ;;
-  powerpc)   SLKCFLAGS="-O2"
-             ;;
   x86_64)    SLKCFLAGS="-O2 -fPIC"
              ;;
+  *)         SLKCFLAGS="-O2"
+             ;;
 esac
 
 set -e
diff --git a/system/unrar/unrar.info b/system/unrar/unrar.info
index 59211abbf1..d91cae64f1 100644
--- a/system/unrar/unrar.info
+++ b/system/unrar/unrar.info
@@ -1,10 +1,10 @@
 PRGNAM="unrar"
-VERSION="3.9.7"
+VERSION="4.0.3"
 HOMEPAGE="http://www.rarlab.com"
-DOWNLOAD="http://www.rarlab.com/rar/unrarsrc-3.9.7.tar.gz"
-MD5SUM="3222f3e6a8c1b79b4f60086d2af3727a"
+DOWNLOAD="http://www.rarlab.com/rar/unrarsrc-4.0.3.tar.gz"
+MD5SUM="2db701a29cf2e7a34b363dc6276b644a"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 MAINTAINER="Niklas 'Nille' Åkerström"
 EMAIL="nille.kungen[AT]gmail.com"
-APPROVED="michiel"
+APPROVED="Niels Horn"