diff --git a/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/SystemMetricsCollectorWebResource.java b/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/SystemMetricsCollectorWebResource.java
index ca10f86..dc7ea22 100644
--- a/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/SystemMetricsCollectorWebResource.java
+++ b/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/SystemMetricsCollectorWebResource.java
@@ -93,7 +93,7 @@
             ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream);
 
             if (jsonTree == null || !checkFields(jsonTree, CPU_FIELD_SET)) {
-                ok(root).build();
+                return ok(root).build();
             }
 
             long cpuLoad = nullIsIllegal((long) (jsonTree.get("cpuLoad").asDouble()
@@ -154,7 +154,7 @@
             ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream);
 
             if (jsonTree == null || !checkFields(jsonTree, MEMORY_FIELD_SET)) {
-                ok(root).build();
+                return ok(root).build();
             }
 
             long memUsed = nullIsIllegal(jsonTree.get("memoryUsed").asLong(), INVALID_REQUEST);