diff --git a/docs/reference/commandline/dockerd.md b/docs/reference/commandline/dockerd.md
index 80d776f91c..e4b5a33a87 100644
--- a/docs/reference/commandline/dockerd.md
+++ b/docs/reference/commandline/dockerd.md
@@ -37,6 +37,7 @@ Options:
       --default-gateway value                 Container default gateway IPv4 address
       --default-gateway-v6 value              Container default gateway IPv6 address
       --default-runtime string                Default OCI runtime for containers (default "runc")
+      --default-shm-size bytes                Set the default shm size for containers (default 64 MiB)
       --default-ulimit value                  Default ulimits for containers (default [])
       --disable-legacy-registry               Disable contacting legacy registries
       --dns value                             DNS server to use (default [])
@@ -1161,6 +1162,7 @@ This is a full example of the allowed configuration options on Linux:
 	"cluster-advertise": "",
 	"max-concurrent-downloads": 3,
 	"max-concurrent-uploads": 5,
+	"default-shm-size": "64M",
 	"shutdown-timeout": 15,
 	"debug": true,
 	"hosts": [],
diff --git a/man/dockerd.8.md b/man/dockerd.8.md
index d64fe1f21e..24cec7fa98 100644
--- a/man/dockerd.8.md
+++ b/man/dockerd.8.md
@@ -21,6 +21,7 @@ dockerd - Enable daemon mode
 [**--default-gateway**[=*DEFAULT-GATEWAY*]]
 [**--default-gateway-v6**[=*DEFAULT-GATEWAY-V6*]]
 [**--default-runtime**[=*runc*]]
+[**--default-shm-size**[=*64MiB*]]
 [**--default-ulimit**[=*[]*]]
 [**--disable-legacy-registry**]
 [**--dns**[=*[]*]]
@@ -164,6 +165,9 @@ $ sudo dockerd --add-runtime runc=runc --add-runtime custom=/usr/local/bin/my-ru
 **--default-runtime**="runc"
   Set default runtime if there're more than one specified by `--add-runtime`.
 
+**--default-shm-size**=*64MiB*
+  Set the daemon-wide default shm size for containers. Default is `64MiB`.
+
 **--default-ulimit**=[]
   Default ulimits for containers.