diff --git a/sdk_container/src/third_party/coreos-overlay/app-admin/flannel/files/flanneld-rkt.service b/sdk_container/src/third_party/coreos-overlay/app-admin/flannel/files/flanneld-rkt.service
index 3424453674..c47a87aed6 100644
--- a/sdk_container/src/third_party/coreos-overlay/app-admin/flannel/files/flanneld-rkt.service
+++ b/sdk_container/src/third_party/coreos-overlay/app-admin/flannel/files/flanneld-rkt.service
@@ -35,6 +35,7 @@ ExecStart=/usr/bin/rkt run --net=host \
    --mount volume=certs,target=/etc/ssl/certs \
    --mount volume=resolv,target=/etc/resolv.conf \
    ${FLANNEL_IMG}:${FLANNEL_VER} \
+   --exec /opt/bin/flanneld \
    -- --ip-masq=true
 
 # Update docker options