diff --git a/ArchiSteamFarm/Plugins/PluginsCore.cs b/ArchiSteamFarm/Plugins/PluginsCore.cs
index 5cd2c1cdf..2b1f51808 100644
--- a/ArchiSteamFarm/Plugins/PluginsCore.cs
+++ b/ArchiSteamFarm/Plugins/PluginsCore.cs
@@ -138,6 +138,8 @@ public static class PluginsCore {
 	}
 
 	internal static async Task<IMachineInfoProvider?> GetCustomMachineInfoProvider(Bot bot) {
+		ArgumentNullException.ThrowIfNull(bot);
+
 		if (ActivePlugins == null) {
 			return null;
 		}