diff --git a/cmd/kubelet/app/server.go b/cmd/kubelet/app/server.go
index 8a5aeb339d4..9c76f1a0ea0 100644
--- a/cmd/kubelet/app/server.go
+++ b/cmd/kubelet/app/server.go
@@ -212,6 +212,7 @@ func NewKubeletServer() *KubeletServer {
 		RktPath:             "",
 		RktStage1Image:      "",
 		RootDirectory:       defaultRootDir,
+		SerializeImagePulls: true,
 		SyncFrequency:       10 * time.Second,
 		SystemContainer:     "",
 		ReconcileCIDR:       true,
diff --git a/docs/admin/kubelet.md b/docs/admin/kubelet.md
index 833644b1156..28755c7d02b 100644
--- a/docs/admin/kubelet.md
+++ b/docs/admin/kubelet.md
@@ -129,7 +129,7 @@ kubelet
       --rkt-stage1-image="": image to use as stage1. Local paths and http/https URLs are supported. If empty, the 'stage1.aci' in the same directory as '--rkt-path' will be used
       --root-dir="/var/lib/kubelet": Directory path for managing kubelet files (volume mounts,etc).
       --runonce[=false]: If true, exit after spawning pods from local manifests or remote urls. Exclusive with --api-servers, and --enable-server
-      --serialize-image-pulls[=false]: Pull images one at a time. We recommend *not* changing the default value on nodes that run docker daemon with version < 1.9 or an Aufs storage backend. Issue #10959 has more details. [default=true]
+      --serialize-image-pulls[=true]: Pull images one at a time. We recommend *not* changing the default value on nodes that run docker daemon with version < 1.9 or an Aufs storage backend. Issue #10959 has more details. [default=true]
       --streaming-connection-idle-timeout=0: Maximum time a streaming connection can be idle before the connection is automatically closed.  Example: '5m'
       --sync-frequency=10s: Max period between synchronizing running containers and config
       --system-container="": Optional resource-only container in which to place all non-kernel processes that are not already in a container. Empty for no container. Rolling back the flag requires a reboot. (Default: "").
@@ -137,7 +137,7 @@ kubelet
       --tls-private-key-file="": File containing x509 private key matching --tls-cert-file.
 ```
 
-###### Auto generated by spf13/cobra on 26-Oct-2015
+###### Auto generated by spf13/cobra on 3-Nov-2015
 
 
 <!-- BEGIN MUNGE: GENERATED_ANALYTICS -->