diff --git a/bin/pm2 b/bin/pm2
index 076a88bd..54d42499 100755
--- a/bin/pm2
+++ b/bin/pm2
@@ -516,7 +516,7 @@ commander.command('kill')
 // Update repository for a given app
 //
 
-commander.command('pull <name> [commit id]')
+commander.command('pull <name> [commit_id]')
   .description('updates repository for a given app')
   .action(function(pm2_name, commit_id) {
     if (commit_id !== undefined) {
diff --git a/lib/Worker.js b/lib/Worker.js
index 437dda26..79ea1b84 100644
--- a/lib/Worker.js
+++ b/lib/Worker.js
@@ -20,12 +20,12 @@ module.exports = function(God) {
 
     if (!(proc &&
           proc.pm2_env &&
-          proc_key.monit &&
-          proc_key.monit.memory !== undefined &&
-          proc.pm2_env.max_memory_restart !== undefined))
+          proc_key.monit))
       return cb();
 
-    if (proc.pm2_env.max_memory_restart < (proc_key.monit.memory / (1024*1024))) {
+    if (proc_key.monit.memory !== undefined &&
+        proc.pm2_env.max_memory_restart !== undefined &&
+        proc.pm2_env.max_memory_restart < (proc_key.monit.memory / (1024*1024))) {
       console.log('[PM2][WORKER] Process %s restarted because it exceeds --max-memory-restart value',
                   proc.pm2_env.pm_id);
       God.restartProcessId({
@@ -37,8 +37,24 @@ module.exports = function(God) {
         return cb();
       });
     }
-    else
+    else if (proc.pm2_env.status !== undefined &&
+             proc_key.monit.memory !== undefined &&
+             proc.pm2_env.status === cst.ONLINE_STATUS &&
+             proc_key.monit.memory === 0) {
+      console.log('[PM2][WORKER] Process %s restarted because it uses 0 memory and has ONLINE status',
+                  proc.pm2_env.pm_id);
+      God.restartProcessId({
+        id: proc.pm2_env.pm_id,
+        env: proc.pm2_env.env
+      }, function(err, data) {
+        if (err)
+          console.error(err.stack || err);
+        return cb();
+      });
+    }
+    else {
       return cb();
+    }
   };
 
   var versioningRefresh = function(proc_key, cb) {