diff --git a/api/src/main/java/org/apache/cloudstack/api/response/HostResponse.java b/api/src/main/java/org/apache/cloudstack/api/response/HostResponse.java
index 61a662f0725b..03d259dd3df5 100644
--- a/api/src/main/java/org/apache/cloudstack/api/response/HostResponse.java
+++ b/api/src/main/java/org/apache/cloudstack/api/response/HostResponse.java
@@ -138,7 +138,7 @@ public class HostResponse extends BaseResponse {
 
     @SerializedName("memoryallocated")
     @Param(description = "the amount of the host's memory currently allocated")
-    private long memoryAllocated;
+    private String memoryAllocated;
 
     @SerializedName("memoryused")
     @Param(description = "the amount of the host's memory currently used")
@@ -353,7 +353,7 @@ public void setMemWithOverprovisioning(String memWithOverprovisioning){
         this.memWithOverprovisioning=memWithOverprovisioning;
     }
 
-    public void setMemoryAllocated(long memoryAllocated) {
+    public void setMemoryAllocated(String memoryAllocated) {
         this.memoryAllocated = memoryAllocated;
     }
 
diff --git a/server/src/main/java/com/cloud/api/query/dao/HostJoinDaoImpl.java b/server/src/main/java/com/cloud/api/query/dao/HostJoinDaoImpl.java
index 597cc1ca446c..f7e33f921215 100644
--- a/server/src/main/java/com/cloud/api/query/dao/HostJoinDaoImpl.java
+++ b/server/src/main/java/com/cloud/api/query/dao/HostJoinDaoImpl.java
@@ -172,7 +172,7 @@ public HostResponse newHostResponse(HostJoinVO host, EnumSet<HostDetails> detail
                 hostResponse.setMemoryTotal(host.getTotalMemory());
                 Float totalMemorywithOverprovisioning = host.getTotalMemory() * ApiDBUtils.getMemOverprovisioningFactor(host.getClusterId());
                 hostResponse.setMemWithOverprovisioning(totalMemorywithOverprovisioning.toString());
-                hostResponse.setMemoryAllocated(mem);
+                hostResponse.setMemoryAllocated(decimalFormat.format((float) mem / totalMemorywithOverprovisioning * 100.0f) +"%");
 
                 String hostTags = host.getTag();
                 hostResponse.setHostTags(host.getTag());