diff --git a/misc/setup/ioquake3.SlackBuild b/misc/setup/ioquake3.SlackBuild
index af261b72..187d58b5 100644
--- a/misc/setup/ioquake3.SlackBuild
+++ b/misc/setup/ioquake3.SlackBuild
@@ -23,6 +23,12 @@ PKG_VERSION=$VERSION
 
 ARCH=${ARCH:-i586}
 
+if [ "$ARCH" = "i?86" ]; then
+  ARCHSUFFIX="i386"
+elif [ "$ARCH" = "x86_64" ]; then
+  ARCHSUFFIX="64"
+fi
+
 BUILD=${BUILD:-1_io}
 
 APP=ioquake3
@@ -46,7 +52,7 @@ mkdir -p $PKG/usr/bin
 cat >> $PKG/usr/bin/ioquake3 << EOF
 #!/bin/sh
 cd /usr/games/$APP/
-./ioquake3.i386 \$*
+./ioquake3.${ARCHSUFFIX} \$*
 exit \$? 
 EOF
 chmod 754 $PKG/usr/bin/ioquake3
@@ -55,7 +61,7 @@ mkdir -p $PKG/usr/bin
 cat >> $PKG/usr/bin/ioq3ded << EOF
 #!/bin/sh
 cd /usr/games/$APP/
-./ioq3ded.i386 \$*
+./ioq3ded.${ARCHSUFFIX} \$*
 exit \$? 
 EOF
 chmod 754 $PKG/usr/bin/ioq3ded
@@ -64,7 +70,7 @@ mkdir -p $PKG/install
 cat $CWD/slack-desc > $PKG/install/slack-desc
 
 cat >> $PKG/install/doinst.sh << EOF
-chmod 754 /usr/games/$APP/*.i386
+chmod 754 /usr/games/$APP/*.${ARCHSUFFIX}
 chmod 754 /usr/bin/ioquake3 /usr/bin/ioq3ded
 EOF
 chmod +x $PKG/install/doinst.sh