diff --git a/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs b/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
index 882b95325..1a48d6a01 100644
--- a/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
+++ b/ArchiSteamFarm/IPC/Controllers/Api/ASFController.cs
@@ -132,7 +132,7 @@ namespace ArchiSteamFarm.IPC.Controllers.Api {
 				message = success ? Strings.Success : Strings.WarningFailed;
 			}
 
-			return Ok(new GenericResponse<string>(success, message, version.ToString()));
+			return Ok(new GenericResponse<string>(success, message, version?.ToString()));
 		}
 	}
 }