diff --git a/README.md b/README.md
index 5840db2..ee83a54 100644
--- a/README.md
+++ b/README.md
@@ -368,6 +368,7 @@ There are many optional parameters relating to the ingestion of data and the gen
 | `READSB_NET_BEAST_REDUCE_INTERVAL`    | BeastReduce position update interval, longer means less data (valid range: `0.000` - `14.999`)                                                                                                                                                                                 | `--net-beast-reduce-interval=<seconds>` | `1.0`         |
 | `READSB_NET_BEAST_REDUCE_FILTER_DIST` | Restrict beast-reduce output to aircraft in a radius of X nmi                                                                                                                                                                                                                  | `--net-beast-reduce-filter-dist=<nmi>`  | Unset         |
 | `READSB_NET_BEAST_REDUCE_FILTER_ALT`  | Restrict beast-reduce output to aircraft below X ft                                                                                                                                                                                                                            | `--net-beast-reduce-filter-alt=<ft>`    | Unset         |
+| `READSB_NET_BR_OPTIMIZE_FOR_MLAT`     | BeastReduce: Keep messages relevant to mlat-client                                                                                                                                                                                                                             | `--net-beast-reduce-optimize-for-mlat`  | Unset         |
 | `READSB_NET_BEAST_REDUCE_OUT_PORT`    | TCP BeastReduce output listen ports (comma separated)                                                                                                                                                                                                                          | `--net-beast-reduce-out-port=<ports>`   | Unset         |
 | `READSB_NET_BEAST_INPUT_PORT`         | TCP Beast input listen ports                                                                                                                                                                                                                                                   | `--net-bi-port=<ports>`                 | `30004,30104` |
 | `READSB_NET_BEAST_OUTPUT_PORT`        | TCP Beast output listen ports                                                                                                                                                                                                                                                  | `--net-bo-port=<ports>`                 | `30005`       |
diff --git a/rootfs/etc/s6-overlay/scripts/readsb b/rootfs/etc/s6-overlay/scripts/readsb
index e440b2a..5c1841c 100755
--- a/rootfs/etc/s6-overlay/scripts/readsb
+++ b/rootfs/etc/s6-overlay/scripts/readsb
@@ -170,6 +170,10 @@ fi
 # Default it to 0.5 second if no value is provided, which is reasonable for feeding aggregators
 READSB_CMD+=("--net-beast-reduce-interval=${READSB_NET_BEAST_REDUCE_INTERVAL:-0.5}")
 
+if chk_enabled "$READSB_NET_BR_OPTIMIZE_FOR_MLAT"; then
+    READSB_CMD+=("--net-beast-reduce-optimize-for-mlat")
+fi
+
 if chk_enabled "$READSB_NET_SBS_REDUCE"; then
     READSB_CMD+=("--net-sbs-reduce")
 fi