diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/chatcommands/ChatCommandsPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/chatcommands/ChatCommandsPlugin.java
index 2a3c541bd1..b15cebb7e4 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/chatcommands/ChatCommandsPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/chatcommands/ChatCommandsPlugin.java
@@ -116,8 +116,8 @@ public class ChatCommandsPlugin extends Plugin
 	private static final Pattern TOB_WAVE_DURATION_PATTERN = Pattern.compile("Theatre of Blood wave completion time: <col=ff0000>[0-9:.]+</col>\\. Personal best: (?<pb>[0-9:]+(?:\\.[0-9]+)?)");
 	private static final Pattern KILL_DURATION_PATTERN = Pattern.compile("(?i)(?:(?:Fight |Lap |Challenge |Corrupted challenge )?duration:|Subdued in) <col=[0-9a-f]{6}>[0-9:.]+</col>\\. Personal best: (?:<col=ff0000>)?(?<pb>[0-9:]+(?:\\.[0-9]+)?)");
 	private static final Pattern NEW_PB_PATTERN = Pattern.compile("(?i)(?:(?:Fight |Lap |Challenge |Corrupted challenge )?duration:|Subdued in) <col=[0-9a-f]{6}>(?<pb>[0-9:]+(?:\\.[0-9]+)?)</col> \\(new personal best\\)");
-	private static final Pattern DUEL_ARENA_WINS_PATTERN = Pattern.compile("You (were defeated|won)! You have(?: now)? won (\\d+) duels?");
-	private static final Pattern DUEL_ARENA_LOSSES_PATTERN = Pattern.compile("You have(?: now)? lost (\\d+) duels?");
+	private static final Pattern DUEL_ARENA_WINS_PATTERN = Pattern.compile("You (were defeated|won)! You have(?: now)? won ([\\d,]+|one) duels?");
+	private static final Pattern DUEL_ARENA_LOSSES_PATTERN = Pattern.compile("You have(?: now)? lost ([\\d,]+|one) duels?");
 	private static final Pattern ADVENTURE_LOG_TITLE_PATTERN = Pattern.compile("The Exploits of (.+)");
 	private static final Pattern ADVENTURE_LOG_PB_PATTERN = Pattern.compile("Fastest (?:kill|run)(?: - \\(Team size: " + TEAM_SIZES + "\\))?: ([0-9:]+(?:\\.[0-9]+)?)");
 	private static final Pattern HS_PB_PATTERN = Pattern.compile("Floor (?<floor>\\d) time: <col=ff0000>(?<floortime>[0-9:]+(?:\\.[0-9]+)?)</col>(?: \\(new personal best\\)|. Personal best: (?<floorpb>[0-9:]+(?:\\.[0-9]+)?))" +
@@ -415,7 +415,8 @@ public class ChatCommandsPlugin extends Plugin
 		if (matcher.find())
 		{
 			final int oldWins = getKc("Duel Arena Wins");
-			final int wins = Integer.parseInt(matcher.group(2));
+			final int wins = matcher.group(2).equals("one") ? 1 :
+				Integer.parseInt(matcher.group(2).replace(",", ""));
 			final String result = matcher.group(1);
 			int winningStreak = getKc("Duel Arena Win Streak");
 			int losingStreak = getKc("Duel Arena Lose Streak");
@@ -443,7 +444,8 @@ public class ChatCommandsPlugin extends Plugin
 		matcher = DUEL_ARENA_LOSSES_PATTERN.matcher(message);
 		if (matcher.find())
 		{
-			int losses = Integer.parseInt(matcher.group(1));
+			int losses = matcher.group(1).equals("one") ? 1 :
+				Integer.parseInt(matcher.group(1).replace(",", ""));
 
 			setKc("Duel Arena Losses", losses);
 		}
diff --git a/runelite-client/src/test/java/net/runelite/client/plugins/chatcommands/ChatCommandsPluginTest.java b/runelite-client/src/test/java/net/runelite/client/plugins/chatcommands/ChatCommandsPluginTest.java
index 5fe725c00f..ab2ec35046 100644
--- a/runelite-client/src/test/java/net/runelite/client/plugins/chatcommands/ChatCommandsPluginTest.java
+++ b/runelite-client/src/test/java/net/runelite/client/plugins/chatcommands/ChatCommandsPluginTest.java
@@ -324,29 +324,29 @@ public class ChatCommandsPluginTest
 	@Test
 	public void testDuelArenaWin()
 	{
-		ChatMessage chatMessageEvent = new ChatMessage(null, TRADE, "", "You won! You have now won 27 duels.", null, 0);
+		ChatMessage chatMessageEvent = new ChatMessage(null, TRADE, "", "You won! You have now won 1,909 duels.", null, 0);
 		chatCommandsPlugin.onChatMessage(chatMessageEvent);
 
-		verify(configManager).setRSProfileConfiguration("killcount", "duel arena wins", 27);
+		chatMessageEvent = new ChatMessage(null, TRADE, "", "You have lost 1,999 duels.", null, 0);
+		chatCommandsPlugin.onChatMessage(chatMessageEvent);
+
+		verify(configManager).setRSProfileConfiguration("killcount", "duel arena wins", 1909);
 		verify(configManager).setRSProfileConfiguration("killcount", "duel arena win streak", 1);
+
+		verify(configManager).setRSProfileConfiguration("killcount", "duel arena losses", 1999);
 	}
 
 	@Test
-	public void testDuelArenaWin2()
+	public void testDuelArenaLoss()
 	{
-		ChatMessage chatMessageEvent = new ChatMessage(null, TRADE, "", "You were defeated! You have won 22 duels.", null, 0);
+		ChatMessage chatMessageEvent = new ChatMessage(null, TRADE, "", "You were defeated! You have won 1,909 duels.", null, 0);
 		chatCommandsPlugin.onChatMessage(chatMessageEvent);
 
-		verify(configManager).setRSProfileConfiguration("killcount", "duel arena wins", 22);
-	}
-
-	@Test
-	public void testDuelArenaLose()
-	{
-		ChatMessage chatMessageEvent = new ChatMessage(null, TRADE, "", "You have now lost 999 duels.", null, 0);
+		chatMessageEvent = new ChatMessage(null, TRADE, "", "You have now lost 1999 duels.", null, 0);
 		chatCommandsPlugin.onChatMessage(chatMessageEvent);
 
-		verify(configManager).setRSProfileConfiguration("killcount", "duel arena losses", 999);
+		verify(configManager).setRSProfileConfiguration("killcount", "duel arena wins", 1909);
+		verify(configManager).setRSProfileConfiguration("killcount", "duel arena losses", 1999);
 	}
 
 	@Test