diff --git a/EliteBGS/LogGenerator/CombatZoneFormat.cs b/EliteBGS/LogGenerator/CombatZoneFormat.cs
index 33aa726..9c798f2 100644
--- a/EliteBGS/LogGenerator/CombatZoneFormat.cs
+++ b/EliteBGS/LogGenerator/CombatZoneFormat.cs
@@ -72,7 +72,7 @@ class CombatZoneFormat : LogFormatter {
                 }
                 builder.AppendFormat("CZ: {0}x{1}{2}",
                     log.Value.Count,
-                    log.Key.Grade.Substring(0, 1),
+                    grade,
                     log.Key.Type.Substring(0, 1)
                     );
             } else {