diff --git a/eks-worker-al2.json b/eks-worker-al2.json
index 5543a3d3b..70ef8bdb1 100644
--- a/eks-worker-al2.json
+++ b/eks-worker-al2.json
@@ -6,7 +6,8 @@
     "binary_bucket_region": "us-west-2",
     "binary_bucket_path": "1.10.3/2018-06-05/bin/linux/amd64",
     "creator": "{{env `USER`}}",
-    "instance_type": "m4.large"
+    "instance_type": "m4.large",
+    "source_ami_id": ""
   },
 
   "builders": [
diff --git a/install-worker.sh b/install-worker.sh
index 8bc18703e..cb5db2940 100644
--- a/install-worker.sh
+++ b/install-worker.sh
@@ -19,7 +19,8 @@ sudo yum install -y \
     curl \
     socat \
     unzip \
-    wget
+    wget \
+    nfs-utils
 
 curl "https://bootstrap.pypa.io/get-pip.py" -o "get-pip.py"
 sudo python get-pip.py
@@ -44,6 +45,7 @@ sudo systemctl enable iptables-restore
 ################################################################################
 
 sudo yum install -y yum-utils device-mapper-persistent-data lvm2
+sudo amazon-linux-extras enable docker
 sudo yum install -y docker
 sudo usermod -aG docker $USER