diff --git a/core/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java b/core/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
index 3fbe05c1c7a..ea1973c4057 100644
--- a/core/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
+++ b/core/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
@@ -312,30 +312,25 @@ public class DiscoveryNode implements Writeable<DiscoveryNode>, ToXContent {
         return nodeId.hashCode();
     }
 
-    private String toString;
-
     @Override
     public String toString() {
-        if (toString == null) {
-            StringBuilder sb = new StringBuilder();
-            if (nodeName.length() > 0) {
-                sb.append('{').append(nodeName).append('}');
-            }
-            if (nodeId != null) {
-                sb.append('{').append(nodeId).append('}');
-            }
-            if (Strings.hasLength(hostName)) {
-                sb.append('{').append(hostName).append('}');
-            }
-            if (address != null) {
-                sb.append('{').append(address).append('}');
-            }
-            if (!attributes.isEmpty()) {
-                sb.append(attributes);
-            }
-            toString = sb.toString();
+        StringBuilder sb = new StringBuilder();
+        if (nodeName.length() > 0) {
+            sb.append('{').append(nodeName).append('}');
         }
-        return toString;
+        if (nodeId != null) {
+            sb.append('{').append(nodeId).append('}');
+        }
+        if (Strings.hasLength(hostName)) {
+            sb.append('{').append(hostName).append('}');
+        }
+        if (address != null) {
+            sb.append('{').append(address).append('}');
+        }
+        if (!attributes.isEmpty()) {
+            sb.append(attributes);
+        }
+        return sb.toString();
     }
 
     @Override