diff --git a/sdk_container/src/third_party/coreos-overlay/coreos/config/make.conf.amd64-host b/sdk_container/src/third_party/coreos-overlay/coreos/config/make.conf.amd64-host
index e5763c6e5f..1a2c8bf9d1 100644
--- a/sdk_container/src/third_party/coreos-overlay/coreos/config/make.conf.amd64-host
+++ b/sdk_container/src/third_party/coreos-overlay/coreos/config/make.conf.amd64-host
@@ -38,6 +38,7 @@ PORT_LOGDIR="/var/log/portage"
 
 PORTAGE_BINHOST="
     http://storage.core-os.net/coreos/sdk/${ARCH}/${COREOS_VERSION_STRING}/pkgs/
+    http://storage.core-os.net/coreos/sdk/${ARCH}/${COREOS_SDK_VERSION}/pkgs/
 "
 
 # Remove all .la files for non-plugin libraries.