diff --git a/Dockerfile b/Dockerfile
index cf98de3..5fa4fe1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,6 +27,6 @@ COPY samba.sh /usr/bin/
 
 VOLUME ["/etc/samba"]
 
-EXPOSE 139 445
+EXPOSE 137 139 445
 
 ENTRYPOINT ["samba.sh"]
\ No newline at end of file
diff --git a/README.md b/README.md
index 62d53cf..fe151ad 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ OR set local storage:
         -h          This help
         -i "<path>" Import smbpassword
                     required arg: "<path>" - full file path in container
+        -n          Start the 'nmbd' daemon to advertise the shares
         -s "<name;/path>[;browsable;readonly;guest;users]" Configure a share
                     required arg: "<name>;<comment>;</path>"
                     <name> is how it's called for clients
@@ -53,6 +54,7 @@ OR set local storage:
 
 ENVIRONMENT VARIABLES (only available with `docker run`)
 
+ * `NMBD` - As above, enable nmbd
  * `TZ` - As above, set a zoneinfo timezone, IE `EST5EDT`
 
 ## Examples
diff --git a/samba.sh b/samba.sh
index 0d82535..5363256 100755
--- a/samba.sh
+++ b/samba.sh
@@ -92,6 +92,7 @@ Options (fields in '[]' are optional, '<>' are required):
     -h          This help
     -i \"<path>\" Import smbpassword
                 required arg: \"<path>\" - full file path in container
+    -n          Start the 'nmbd' daemon to advertise the shares
     -s \"<name;/path>[;browsable;readonly;guest;users]\" Configure a share
                 required arg: \"<name>;<comment>;</path>\"
                 <name> is how it's called for clients
@@ -114,10 +115,11 @@ The 'command' (if provided and valid) will be run instead of samba
     exit $RC
 }
 
-while getopts ":hi:t:u:s:" opt; do
+while getopts ":hi:nt:u:s:" opt; do
     case "$opt" in
         h) usage ;;
         i) import "$OPTARG" ;;
+        n) NMBD="true" ;;
         s) eval share $(sed 's/^\|$/"/g; s/;/" "/g' <<< $OPTARG) ;;
         u) eval user $(sed 's/;/ /g' <<< $OPTARG) ;;
         t) timezone "$OPTARG" ;;
@@ -137,5 +139,6 @@ elif [[ $# -ge 1 ]]; then
 elif ps -ef | egrep -v grep | grep -q smbd; then
     echo "Service already running, please restart container to apply changes"
 else
+    [[ $NMBD ]] && ionice -c 3 nmbd -DS
     exec ionice -c 3 smbd -FS
 fi
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