diff --git a/macos/Makefile b/macos/Makefile
index 526d710..3ef254d 100644
--- a/macos/Makefile
+++ b/macos/Makefile
@@ -9,7 +9,7 @@ BINDIR := $(DESTDIR)/bin
 SBINDIR = $(DESTDIR)/sbin
 #APPSDIR := $(DESTDIR)/usr/share/applications
 CFGDIR := $(DESTDIR)/etc/ogagent
-#INITDIR := $(DESTDIR)/etc/init.d
+INITDIR := /Library/LaunchDaemons
 #XDGAUTOSTARTDIR := $(DESTDIR)/etc/xdg/autostart
 #KDEAUTOSTARTDIR := $(DESTDIR)/usr/share/autostart
 
@@ -56,6 +56,7 @@ install-ogagent:
 	cp scripts/ogagent $(BINDIR)
 	cp scripts/OGAgentTool-startup $(BINDIR)
 	cp scripts/OGAgentTool $(BINDIR)
+	cp scripts/es.opengnsys.ogagent.plist $(INITDIR)
 	
 	# Fix permissions
 	chmod 755 $(BINDIR)/ogagent
diff --git a/macos/scripts/es.opengnsys.ogagent.plist b/macos/scripts/es.opengnsys.ogagent.plist
new file mode 100644
index 0000000..1ea8dd0
--- /dev/null
+++ b/macos/scripts/es.opengnsys.ogagent.plist
@@ -0,0 +1,19 @@
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+        <dict>
+                <key>Label</key>
+                <string>es.opengnsys.ogagent</string>
+                <key>ProgramArguments</key>
+                <array>
+                        <string>/usr/local/bin/ogagent</string>
+                        <string>start</string>
+                </array>
+                <key>RunAtLoad</key>
+                <true/>
+                <key>StandardOutPath</key>
+                <string>/var/log/ogagent.log</string>
+                <key>StandardErrorPath</key>
+                <string>/var/log/ogagent.err</string>
+        </dict>
+</plist>
+
diff --git a/src/opengnsys/macos/operations.py b/src/opengnsys/macos/operations.py
index 12e2231..bb1ccaf 100644
--- a/src/opengnsys/macos/operations.py
+++ b/src/opengnsys/macos/operations.py
@@ -55,9 +55,7 @@ def _getMacAddr(ifname):
     if isinstance(ifname, six.text_type):
         ifname = ifname.encode('utf-8')  # If unicode, convert to bytes (or str in python 2.7)
     try:
-        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-        info = bytearray(fcntl.ioctl(s.fileno(), 0x8927, struct.pack(str('256s'), ifname[:15])))
-        return six.text_type(''.join(['%02x:' % char for char in info[18:24]])[:-1])
+        return netifaces.ifaddress(ifname)[18][0]['addr']
     except Exception:
         return None
 
@@ -106,7 +104,7 @@ def getNetworkInfo():
     '''
     for ifname in _getInterfaces():
         ip, mac = _getIpAndMac(ifname)
-        if mac != '00:00:00:00:00:00':  # Skips local interfaces
+        if mac != None:  # Skips local interfaces
             yield utils.Bunch(name=ifname, mac=mac, ip=ip)