diff --git a/core/src/com/cloud/server/ManagementServer.java b/core/src/com/cloud/server/ManagementServer.java
index d3d781b2716..ab380004dfe 100644
--- a/core/src/com/cloud/server/ManagementServer.java
+++ b/core/src/com/cloud/server/ManagementServer.java
@@ -2188,4 +2188,5 @@ public interface ManagementServer {
 	boolean checkIfMaintenable(long hostId);
 
     Map<String, String> listCapabilities();
+	GuestOSCategoryVO getGuestOsCategory(Long guestOsId);
 }
diff --git a/server/src/com/cloud/api/commands/ListVMsCmd.java b/server/src/com/cloud/api/commands/ListVMsCmd.java
index e8d3bc2eee5..0a61217a95c 100644
--- a/server/src/com/cloud/api/commands/ListVMsCmd.java
+++ b/server/src/com/cloud/api/commands/ListVMsCmd.java
@@ -33,6 +33,8 @@ import com.cloud.domain.DomainVO;
 import com.cloud.host.HostVO;
 import com.cloud.server.Criteria;
 import com.cloud.service.ServiceOfferingVO;
+import com.cloud.storage.GuestOSCategoryVO;
+import com.cloud.storage.GuestOSVO;
 import com.cloud.storage.VMTemplateVO;
 import com.cloud.user.Account;
 import com.cloud.uservm.UserVm;
@@ -178,6 +180,7 @@ public class ListVMsCmd extends BaseCmd {
             vmData.add(new Pair<String, Object>(BaseCmd.Properties.NAME.getName(), vmInstance.getName()));
             vmData.add(new Pair<String, Object>(BaseCmd.Properties.CREATED.getName(), getDateString(vmInstance.getCreated())));
             vmData.add(new Pair<String, Object>(BaseCmd.Properties.IP_ADDRESS.getName(), vmInstance.getPrivateIpAddress()));
+            
             if (vmInstance.getState() != null) {
                 vmData.add(new Pair<String, Object>(BaseCmd.Properties.STATE.getName(), vmInstance.getState().toString()));
             }
@@ -258,7 +261,9 @@ public class ListVMsCmd extends BaseCmd {
                 vmData.add(new Pair<String, Object>(BaseCmd.Properties.NETWORK_KB_WRITE.getName(), networkKbWrite));
             }
             
-            vmData.add(new Pair<String, Object>(BaseCmd.Properties.OS_TYPE_ID.getName(),vmInstance.getGuestOSId()));
+            GuestOSCategoryVO guestOsCategory = getManagementServer().getGuestOsCategory(vmInstance.getGuestOSId());
+            if(guestOsCategory!=null)
+            	vmData.add(new Pair<String, Object>(BaseCmd.Properties.OS_TYPE_ID.getName(),guestOsCategory.getId()));
 
             //network groups
             vmData.add(new Pair<String, Object>(BaseCmd.Properties.NETWORK_GROUP_LIST.getName(), getManagementServer().getNetworkGroupsNamesForVm(vmInstance.getId())));
diff --git a/server/src/com/cloud/server/ManagementServerImpl.java b/server/src/com/cloud/server/ManagementServerImpl.java
index 65761af9c6f..3c65b3033e3 100644
--- a/server/src/com/cloud/server/ManagementServerImpl.java
+++ b/server/src/com/cloud/server/ManagementServerImpl.java
@@ -8632,6 +8632,10 @@ public class ManagementServerImpl implements ManagementServer {
         return capabilities;
     }
 
-
+    @Override
+    public GuestOSCategoryVO getGuestOsCategory(Long guestOsId)
+    {
+    	return _guestOSCategoryDao.findById(guestOsId);
+    }
 }