diff --git a/README.md b/README.md
index 0946639..e994e14 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,9 @@ clean up all the inter-module references, and without a whole new
       --harmony
         Start node with --harmony flag.
 
+      --harmony-proxies
+        Start node with --harmony-proxies flag.
+
       --inspect[=port]
         Start node with --inspect flag.
 
diff --git a/lib/supervisor.js b/lib/supervisor.js
index be6c1e1..45f9cff 100644
--- a/lib/supervisor.js
+++ b/lib/supervisor.js
@@ -15,6 +15,7 @@ var timestampFlag = false;
 var interactive = true;
 var log = console.log;
 var crash_queued = false;
+var harmony_proxies = false;
 var harmony_default_parameters = false;
 var harmony_destructuring = false;
 
@@ -30,6 +31,8 @@ function run (args) {
             log = function(){};
         } else if (arg === "--harmony") {
             harmony = true;
+        } else if (arg === "--harmony-proxies") {
+            harmony_proxies = true;
         } else if (arg.indexOf("--inspect") > -1) {
             inspect = arg;
         } else if (arg === "--harmony_default_parameters") {
@@ -117,6 +120,9 @@ function run (args) {
     if (harmony) {
         program.unshift("--harmony");
     }
+    if (harmony_proxies) {
+        program.unshift("--harmony-proxies");
+    }
     if (inspect) {
         program.unshift(inspect);
     }
@@ -314,6 +320,9 @@ function help () {
     ("  --harmony_default_parameters")
     ("    Start node with --harmony_default_parameters flag.")
     ("")
+    ("  --harmony-proxies")
+    ("    Start node with --harmony-proxies flag.")
+    ("")
     ("  -n|--no-restart-on error|exit")
     ("    Don't automatically restart the supervised program if it ends.")
     ("    Supervisor will wait for a change in the source files.")