diff --git a/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java b/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
index d4ae4fa86ac..876e3fe4a2c 100755
--- a/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
+++ b/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
@@ -459,14 +459,14 @@ public class VirtualRoutingResource implements Manager {
         command.add("-n", cmd.getVmName());
         
         if (cmd.getDefaultRouter() != null) {
-            command.add(" -d " + cmd.getDefaultRouter());
+            command.add("-d", cmd.getDefaultRouter());
         }
         if (cmd.getStaticRoutes() != null) {
-        	command.add(" -s " + cmd.getStaticRoutes());
+        	command.add("-s", cmd.getStaticRoutes());
         }
         
         if (cmd.getDefaultDns() != null) {
-        	command.add(" -N " + cmd.getDefaultDns());
+        	command.add("-N", cmd.getDefaultDns());
         }
 
         final String result = command.execute();