diff --git a/common/src/main/java/io/netty/util/NetUtil.java b/common/src/main/java/io/netty/util/NetUtil.java
index d4f2354f10..ed48665f42 100644
--- a/common/src/main/java/io/netty/util/NetUtil.java
+++ b/common/src/main/java/io/netty/util/NetUtil.java
@@ -154,11 +154,14 @@ public final class NetUtil {
         // Retrieve the list of available network interfaces.
         List<NetworkInterface> ifaces = new ArrayList<NetworkInterface>();
         try {
-            for (Enumeration<NetworkInterface> i = NetworkInterface.getNetworkInterfaces(); i.hasMoreElements();) {
-                NetworkInterface iface = i.nextElement();
-                // Use the interface with proper INET addresses only.
-                if (SocketUtils.addressesFromNetworkInterface(iface).hasMoreElements()) {
-                    ifaces.add(iface);
+            Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+            if (interfaces != null) {
+                while (interfaces.hasMoreElements()) {
+                    NetworkInterface iface = interfaces.nextElement();
+                    // Use the interface with proper INET addresses only.
+                    if (SocketUtils.addressesFromNetworkInterface(iface).hasMoreElements()) {
+                        ifaces.add(iface);
+                    }
                 }
             }
         } catch (SocketException e) {