diff --git a/texlive.spec b/texlive.spec
index e256f1d..c0e2b24 100644
--- a/texlive.spec
+++ b/texlive.spec
@@ -2681,7 +2681,7 @@ popd
 	    --enable-seetexk			\
 	    --enable-tex4htk			\
 	    --enable-shared			\
-%ifarch %ix86 ppc
+%ifarch %ix86 x86_64 ppc
 	    --enable-luajittex			\
 %else
 	    --disable-luajittex			\
@@ -2771,13 +2771,13 @@ popd
     install -m 0755 texk/seetexk/mydvichk ${prefix}/bin/
     install -m 0755 texk/seetexk/odd2even ${prefix}/bin/
 
-%ifarch %ix86 ppc
+%ifarch %ix86 x86_64 ppc
     echo "Luaji is supported on this platform"
 %else
     for broken in luajittex texluajit texluajitc
     do
 	test ! -x ${prefix}/bin/$broken || continue
-	(cat>${prefix}/bin/$broken)<<'EOF'
+	(cat>${prefix}/bin/$broken)<<-'EOF'
 	#!/bin/sh
 	echo "${0}: is not supported on $(uname -m)" 1>&2
 	exit 1