diff --git a/graphics/blender/blender-softwaregl-wrapper b/graphics/blender/blender-softwaregl-wrapper
index b337a60cea..844bc5374b 100644
--- a/graphics/blender/blender-softwaregl-wrapper
+++ b/graphics/blender/blender-softwaregl-wrapper
@@ -6,4 +6,4 @@ if [ ! -d $HOME/.blender ]; then
 fi
 cd /opt/blender
 PYTHONHOME="$(python -c "import sys; print ':'.join(sys.path[1:])")" \
-  /opt/blender/blender-softwaregl
+  /opt/blender/blender-softwaregl "$@"
diff --git a/graphics/blender/blender-wrapper b/graphics/blender/blender-wrapper
index 6c39829440..cdecbdbe68 100644
--- a/graphics/blender/blender-wrapper
+++ b/graphics/blender/blender-wrapper
@@ -6,4 +6,4 @@ if [ ! -d $HOME/.blender ]; then
 fi
 cd /opt/blender
 PYTHONHOME="$(python -c "import sys; print ':'.join(sys.path[1:])")" \
-  /opt/blender/blender
+  /opt/blender/blender "$@"
diff --git a/graphics/blender/blender.SlackBuild b/graphics/blender/blender.SlackBuild
index b794074f29..917519dfdc 100644
--- a/graphics/blender/blender.SlackBuild
+++ b/graphics/blender/blender.SlackBuild
@@ -22,7 +22,6 @@
 
 PRGNAM=blender
 VERSION=${VERSION:-2.49a}
-ARCH=${ARCH:-i386}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -31,6 +30,16 @@ TAG=${TAG:-_SBo}
 # the ones that are shipped with Slackware
 LMTFA=${LMTFA:-yes}
 
+# Automatically determine the architecture we're building on:
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) export ARCH=i486 ;;
+    arm*) export ARCH=arm ;;
+    # Unless $ARCH is already set, use uname -m for all other archs:
+       *) export ARCH=$( uname -m ) ;;
+  esac
+fi
+
 CWD=$(pwd)
 TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
@@ -38,8 +47,13 @@ OUTPUT=${OUTPUT:-/tmp}
 
 set -e
 
-if [ "$ARCH" != "x86_64" ]; then
-  ARCH=i386
+if [ "$ARCH" = "x86_64" ]; then
+  break
+elif [ "$ARCH" = "i386" ]; then
+  break
+else
+  printf "\n\n$ARCH is not supported... \n"
+  exit 1
 fi
   
 rm -rf $PKG
diff --git a/graphics/blender/blenderplayer-wrapper b/graphics/blender/blenderplayer-wrapper
index aec8daa006..f2f9467dd7 100644
--- a/graphics/blender/blenderplayer-wrapper
+++ b/graphics/blender/blenderplayer-wrapper
@@ -6,4 +6,4 @@ if [ ! -d $HOME/.blender ]; then
 fi
 cd /opt/blender
 PYTHONHOME="$(python -c "import sys; print ':'.join(sys.path[1:])")" \
-  /opt/blender/blenderplayer
+  /opt/blender/blenderplayer "$@"