diff --git a/core/common/src/main/java/org/onosproject/codec/impl/RoleInfoCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/RoleInfoCodec.java
index 2bed282..8e0f0b7 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/RoleInfoCodec.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/RoleInfoCodec.java
@@ -54,7 +54,7 @@
         ArrayNode backups = context.mapper().createArrayNode();
         roleInfo.backups().forEach(backup -> backups.add(backup.id()));
 
-        if (roleInfo.backups().size() != 0) {
+        if (!roleInfo.backups().isEmpty()) {
             result.set(BACKUPS, backups);
         }