diff --git a/README.md b/README.md
index ab22d7b..d3bb637 100644
--- a/README.md
+++ b/README.md
@@ -130,6 +130,7 @@ There are a series of available environment variables:
 | `BEASTHOST`          | Required. IP/Hostname of a Mode-S/BEAST provider (dump1090) | `readsb` |
 | `BEASTPORT`          | Optional. TCP port number of Mode-S/BEAST provider (dump1090) | `30005` |
 | `FR24KEY`            | Required. Flightradar24 Sharing Key | |
+| `MLAT`    | Set to `yes` to enable MLAT (optional) | `no` |
 | `BIND_INTERFACE`     | Optional. Set a bind interface such as `0.0.0.0` to allow access from non-private IP addresses | _none_ |
 | `VERBOSE_LOGGING`    | Set to `true` to enable verbose logging (optional) | `false` |
 
diff --git a/rootfs/etc/cont-init.d/01-fr24feed b/rootfs/etc/cont-init.d/01-fr24feed
index 3576f6d..0a47b4f 100755
--- a/rootfs/etc/cont-init.d/01-fr24feed
+++ b/rootfs/etc/cont-init.d/01-fr24feed
@@ -35,8 +35,13 @@ printf "GMT" > /var/run/s6/container_environment/TZ
   echo raw="no"
   echo logmode="1"
   echo logpath="/var/log"
-  echo mlat="no"
-  echo mlat-without-gps="no"
+  if [ -z "${MLAT}" ]; then
+    echo mlat="no"
+    echo mlat-without-gps="no"
+  else
+    echo mlat="${MLAT}"
+    echo mlat-without-gps="${MLAT}"
+  fi
   if [ -n "${BIND_INTERFACE}" ]; then
     echo bind-interface="${BIND_INTERFACE}"
   fi