diff --git a/PKGBUILD b/PKGBUILD
index ddd589d..b964ec6 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -23,8 +23,8 @@ source=("https://www.kernel.org/pub/linux/kernel/v4.x/${_srcname}.tar.xz"
 
 sha256sums=('5190c3d1209aeda04168145bf50569dc0984f80467159b1dc50ad731e3285f10'
             'SKIP'
-            '50a4b78c85d932ca7ec8a0b19501320c70662ea5b2fe15c36a6f1912fd480a3c'
-            '4f0b87d58ab87edf1ebc582ed00b44902c5c3074e2811a4f6b31f81b30180b5b'
+            'e9b7f502b5e27fc4154f0b98f3870f2988b58414df948a61a82502d84bc68a72'
+            '0004f61a57696a41a1bca1a4a2e6abb03b6ae1b2e67ce73055ae062764660f2f'
             'f0d90e756f14533ee67afda280500511a62465b4f76adcc5effa95a40045179c'
             '1256b241cd477b265a3c2d64bdc19ffe3c9bbcee82ea3994c590c2c76e767d99')
 validpgpkeys=(
diff --git a/config b/config
index c925c30..f9bd3d2 100644
--- a/config
+++ b/config
@@ -543,7 +543,7 @@ CONFIG_X86_PAT=y
 CONFIG_ARCH_USES_PG_UNCACHED=y
 CONFIG_ARCH_RANDOM=y
 CONFIG_X86_SMAP=y
-# CONFIG_X86_INTEL_MPX is not set
+CONFIG_X86_INTEL_MPX=y
 CONFIG_EFI=y
 CONFIG_EFI_STUB=y
 CONFIG_SECCOMP=y
diff --git a/config.x86_64 b/config.x86_64
index 88ea7bb..8cd604b 100644
--- a/config.x86_64
+++ b/config.x86_64
@@ -563,7 +563,7 @@ CONFIG_X86_PAT=y
 CONFIG_ARCH_USES_PG_UNCACHED=y
 CONFIG_ARCH_RANDOM=y
 CONFIG_X86_SMAP=y
-# CONFIG_X86_INTEL_MPX is not set
+CONFIG_X86_INTEL_MPX=y
 CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS=y
 CONFIG_EFI=y
 CONFIG_EFI_STUB=y