diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/ammo/AmmoCounter.java b/runelite-client/src/main/java/net/runelite/client/plugins/ammo/AmmoCounter.java
index 4350c80699..fe9729246c 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/ammo/AmmoCounter.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/ammo/AmmoCounter.java
@@ -39,9 +39,9 @@ class AmmoCounter extends Counter
 {
 	@Getter(AccessLevel.PACKAGE)
 	private int itemID;
-	private String name;
-	private int total;
-	private Instant time;
+	private final String name;
+	private final int total;
+	private final Instant time;
 	private BigDecimal ammoPerHour;
 
 	AmmoCounter(Plugin plugin, int itemID, int count, String name, BufferedImage image)