diff --git a/bin/index.js b/bin/index.js
index 3f73044..de7d78d 100755
--- a/bin/index.js
+++ b/bin/index.js
@@ -150,7 +150,7 @@ async function run(argv) {
       try {
         await start(options);
         if (options.localhost) {
-          console.log(`Started throttler on localhost RTT:${options.rtt}ms `);
+          console.log(`Started throttler on localhost RTT:${options.rtt}ms PL:${options.packetLoss}%`);
         } else {
           let message = 'Started throttler:';
           if (typeof options.down !== 'undefined') {
diff --git a/lib/index.js b/lib/index.js
index 062c49c..8574406 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -32,7 +32,7 @@ export async function start(options = {}) {
   switch (platform()) {
     case 'darwin': {
       if (options.localhost) {
-        return startPfctlLocalhost(options.rtt);
+        return startPfctlLocalhost(options.rtt, options.packetLoss);
       }
       return startPfctl(
         options.up,
@@ -44,7 +44,7 @@ export async function start(options = {}) {
 
     case 'linux': {
       return options.localhost
-        ? startTcLocalhost(options.rtt)
+        ? startTcLocalhost(options.rtt, options.packetLoss)
         : startTc(options.up, options.down, options.rtt, options.packetLoss);
     }
 
diff --git a/lib/localHostPfctl.js b/lib/localHostPfctl.js
index 08daa81..b03fe09 100644
--- a/lib/localHostPfctl.js
+++ b/lib/localHostPfctl.js
@@ -1,7 +1,7 @@
 import sudo from './sudo.js';
 import shell from './shell.js';
 
-export async function start(rtt) {
+export async function start(rtt, packetLoss=0) {
   const halfWayRTT = rtt / 2;
 
   await stop();
@@ -9,15 +9,18 @@ export async function start(rtt) {
   await sudo('dnctl', '-q', 'flush');
   await sudo('dnctl', '-q', 'pipe', 'flush');
 
-  await sudo(
+  const parameters = [
     'dnctl',
     'pipe',
     1,
     'config',
     'delay',
-    `${halfWayRTT}ms`,
-    'noerror'
-  );
+    `${halfWayRTT}ms`
+  ];
+  if (packetLoss > 0) {
+    parameters.push('plr', packetLoss / 100, 'noerror');
+  }
+  await sudo.apply(this, parameters);
 
   await shell(
     'echo "dummynet out from any to 127.0.0.1 pipe 1" | sudo pfctl -f -'
diff --git a/lib/localHostTc.js b/lib/localHostTc.js
index 19d4d51..8302812 100644
--- a/lib/localHostTc.js
+++ b/lib/localHostTc.js
@@ -1,6 +1,6 @@
 import sudo from './sudo.js';
 
-export async function start(delay) {
+export async function start(delay, packetLoss=0) {
   const halfWayDelay = delay / 2;
 
   try {
@@ -9,7 +9,7 @@ export async function start(delay) {
     // ignore
   }
 
-  await sudo(
+  const parameters = [
     'tc',
     'qdisc',
     'add',
@@ -21,7 +21,13 @@ export async function start(delay) {
     'netem',
     'delay',
     `${halfWayDelay}ms`
-  );
+  ];
+
+  if (packetLoss) {
+    parameters.push('loss', `${packetLoss}%`);
+  }
+
+  await sudo.apply(this, parameters);
 }
 export async function stop() {
   await sudo('tc', 'qdisc', 'del', 'dev', 'lo', 'root');