diff --git a/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/files/python-2.7-aarch64-fix.patch b/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/files/python-2.7-aarch64-fix.patch
new file mode 100644
index 0000000000..a5cc635554
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/files/python-2.7-aarch64-fix.patch
@@ -0,0 +1,19 @@
+Fixes build errors like these when building for arm64:
+
+  File "build/temp.linux2-aarch64-2.7/libffi/fficonfig.py"
+      ffi_sources += ffi_platforms['AARCH64']
+  KeyError: 'AARCH64'
+  Makefile:475: recipe for target 'sharedmods' failed
+
+Signed-off-by: Geoff Levand <geoff@infradead.org>
+
+--- a/Modules/_ctypes/libffi/fficonfig.py.in
++++ b/Modules/_ctypes/libffi/fficonfig.py.in
+@@ -4,6 +4,7 @@
+ """.split()
+ 
+ ffi_platforms = {
++    'AARCH64': ['src/aarch64/ffi.c', 'src/aarch64/sysv.S'],
+     'MIPS_IRIX': ['src/mips/ffi.c', 'src/mips/o32.S', 'src/mips/n32.S'],
+     'MIPS_LINUX': ['src/mips/ffi.c', 'src/mips/o32.S'],
+     'X86': ['src/x86/ffi.c', 'src/x86/sysv.S'],
diff --git a/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/python-oem-2.7.6-r1.ebuild b/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/python-oem-2.7.6-r2.ebuild
similarity index 98%
rename from sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/python-oem-2.7.6-r1.ebuild
rename to sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/python-oem-2.7.6-r2.ebuild
index 5778b15d3e..5b379288c6 100644
--- a/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/python-oem-2.7.6-r1.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/dev-lang/python-oem/python-oem-2.7.6-r2.ebuild
@@ -50,6 +50,9 @@ src_prepare() {
 	# Fix for linux_distribution()
 	epatch "${FILESDIR}/python-2.7.6-add_os_release_support.patch"
 
+	# Fix for arm64 builds
+	epatch "${FILESDIR}/python-2.7-aarch64-fix.patch"
+
 	sed -i -e "s:@@GENTOO_LIBDIR@@:$(get_libdir):g" \
 		Lib/distutils/command/install.py \
 		Lib/distutils/sysconfig.py \