--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/Utils.java	Wed Dec 05 09:34:01 2018 -0500
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/Utils.java	Wed Dec 05 16:40:12 2018 +0100
@@ -102,6 +102,9 @@
     }
 
     public static String formatBytes(long bytes, String separation) {
+        if (bytes == 1) {
+            return "1 byte";
+        }
         if (bytes < 1024) {
             return bytes + " bytes";
         }