diff --git a/include/manufacturingcommands.hpp b/include/manufacturingcommands.hpp
index c7d6f25..7bd7280 100644
--- a/include/manufacturingcommands.hpp
+++ b/include/manufacturingcommands.hpp
@@ -264,6 +264,7 @@
     bool revertFanPWM = false;
     bool revertLedCallback = false;
     phosphor::Timer revertTimer;
+    int mtmTestBeepFd = -1;
 };
 
 } // namespace ipmi