diff --git a/CHANGELOG.md b/CHANGELOG.md
index d75a350..1cb8b8d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 * Factorio (2016) - Added support (By @Vito0912 #527)
 * Farming Simulator 22 (2021) - Added support (By @Vito0912 #531)
 * Farming Simulator 19 (2018) - Added support (By @Vito0912 #531)
+* Assetto Corsa - Fixed how `state.numplayers` is set (By @podrivo #538)
 
 ## 5.0.0-beta.2
 * Fixed support for projects using `require`.
diff --git a/protocols/assettocorsa.js b/protocols/assettocorsa.js
index 41058db..ec24087 100644
--- a/protocols/assettocorsa.js
+++ b/protocols/assettocorsa.js
@@ -35,6 +35,6 @@ export default class assettocorsa extends Core {
       }
     }
 
-    state.numplayers = carInfo.Cars.length
+    state.numplayers = serverInfo.clients
   }
 }