diff --git a/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild b/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild
index 0cfe7a2a2e..d6c0138561 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild
+++ b/sdk_container/src/third_party/coreos-overlay/app-emulation/acbuild/acbuild-9999.ebuild
@@ -6,6 +6,7 @@ CROS_WORKON_PROJECT="appc/acbuild"
 CROS_WORKON_REPO="git://github.com"
 CROS_WORKON_LOCALNAME="appc-acbuild"
 COREOS_GO_PACKAGE="github.com/appc/acbuild"
+COREOS_GO_GO111MODULE="off"
 inherit coreos-go toolchain-funcs cros-workon
 
 if [[ "${PV}" == 9999 ]]; then