diff --git a/server/src/com/cloud/agent/manager/AgentMonitor.java b/server/src/com/cloud/agent/manager/AgentMonitor.java
index 682d550a468..1733de37bb8 100755
--- a/server/src/com/cloud/agent/manager/AgentMonitor.java
+++ b/server/src/com/cloud/agent/manager/AgentMonitor.java
@@ -141,10 +141,11 @@ public class AgentMonitor extends Thread implements Listener {
             try {
                 List<Long> behindAgents = findAgentsBehindOnPing();
                 for (Long agentId : behindAgents) {
-                	SearchCriteriaService<HostVO, ResourceState> sc = SearchCriteria2.create(HostVO.class, ResourceState.class);
+                	SearchCriteriaService<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
                 	sc.selectField(sc.getEntity().getResourceState());
                 	sc.addAnd(sc.getEntity().getId(), Op.EQ, agentId);
-                	ResourceState resourceState = sc.find();
+                	HostVO h = sc.find();
+                	ResourceState resourceState = h.getResourceState();
                 	if (resourceState == ResourceState.Disabled || resourceState == ResourceState.Maintenance || resourceState == ResourceState.Unmanaged || resourceState == ResourceState.ErrorInMaintenance) {
                 		/* Host is in non-operation state, so no investigation and direct put agent to Disconnected */
                 		status_Logger.debug("Ping timeout but host " + agentId + " is in resource state of " + resourceState + ", so no investigation");