diff -uNr a/mono-2.10.9-r2.ebuild b/mono-2.10.9-r2.ebuild
--- a/mono-2.10.9-r2.ebuild	2013-05-24 21:37:29.781961213 +0200
+++ b/mono-2.10.9-r2.ebuild	2013-05-24 21:40:47.740949322 +0200
@@ -26,7 +26,7 @@
 	sys-devel/bc
 	virtual/yacc
 	>=app-shells/bash-3.2
-	pax_kernel? ( sys-apps/paxctl )"
+	pax_kernel? ( >=dev-python/pypax-0.8.3 )"
 
 MAKEOPTS="${MAKEOPTS} -j1"
 
@@ -61,12 +61,12 @@
 src_prepare() {
 	go-mono_src_prepare
 
-	# we need to sed in the paxctl -mr in the runtime/mono-wrapper.in so it don't
-	# get killed in the build proces when MPROTEC is enable. #286280
-	# RANDMMAP kill the build proces to #347365
+	# we need to sed in the paxmark.sh -mr in the runtime/mono-wrapper.in so it doesn't
+	# get killed in the build process when MPROTECT is enabled. #286280
+	# RANDMMAP kills the build process too #347365
 	if use pax_kernel ; then
 		ewarn "We are disabling MPROTECT on the mono binary."
-		sed '/exec/ i\paxctl -mr "$r/@mono_runtime@"' -i "${S}"/runtime/mono-wrapper.in
+		sed '/exec/ i\paxmark.sh -mr "$r/@mono_runtime@"' -i "${S}"/runtime/mono-wrapper.in
 	fi
 }