diff --git a/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java b/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
index 3fd015d462c..fc5333fefe5 100644
--- a/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
+++ b/core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
@@ -955,7 +955,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
         if (speed != null) {
 
             int cpuWeight = _maxWeight; //cpu_weight
-            int utilization = 0; // max CPU cap, default is unlimited
+            long utilization = 0; // max CPU cap, default is unlimited
 
             // weight based allocation
             cpuWeight = (int)((speed*0.99) / _host.speed * _maxWeight);
@@ -964,12 +964,11 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             }
 
             if (vmSpec.getLimitCpuUse()) {
-                utilization = (int)((speed*0.99) / _host.speed * 100);
+            	utilization = (((long)speed * vmSpec.getCpus() * 100 ) / _host.speed);
             }
 
             vcpuParams.put("weight", Integer.toString(cpuWeight));
-            vcpuParams.put("cap", Integer.toString(utilization));
-
+            vcpuParams.put("cap", Long.toString(utilization));
         }
 
         if (vcpuParams.size() > 0) {