diff --git a/data-prepper-api/src/main/java/org/opensearch/dataprepper/model/types/ByteCount.java b/data-prepper-api/src/main/java/org/opensearch/dataprepper/model/types/ByteCount.java
index d68cdf1799..e3037427f5 100644
--- a/data-prepper-api/src/main/java/org/opensearch/dataprepper/model/types/ByteCount.java
+++ b/data-prepper-api/src/main/java/org/opensearch/dataprepper/model/types/ByteCount.java
@@ -163,6 +163,6 @@ public boolean equals(final Object otherObject) {
      */
     @Override
     public String toString() {
-        return bytes + "b";
+        return bytes + Unit.BYTE.unitString;
     }
 }