diff --git a/instance.ts b/instance.ts
index ea190d1..9fd3bbe 100644
--- a/instance.ts
+++ b/instance.ts
@@ -85,7 +85,7 @@ export default async function(context: InstancePluginContext) {
                 const message_index = message.indexOf(' ');
                 const message_username = message_index === -1 ? message : message.slice(0, message_index);
                 const message_content = message_index === -1 ? '' : message.slice(message_index + 1).trim();
-                const player_count = instance.playersOnline.size + (action === 'JOIN' ? 0 : -1);
+                const player_count = instance.playersOnline.size + (action === 'LEAVE' ? -1 : 0);
 
                 queue.push({datetime: dt, message: `**\`${message_username}\`** ${message_content} (${player_count})`});
             }