diff --git a/src/bmccontrolservices.cpp b/src/bmccontrolservices.cpp
index 3ab1f81..0d2e7a0 100644
--- a/src/bmccontrolservices.cpp
+++ b/src/bmccontrolservices.cpp
@@ -41,7 +41,7 @@
     {kvmServiceBitPos, "/xyz/openbmc_project/control/service/start_2dipkvm"},
 };
 
-static constexpr uint16_t maskBit15 = 0xF000;
+static constexpr uint16_t maskBit15 = 0x8000;
 
 static constexpr const char* objectManagerIntf =
     "org.freedesktop.DBus.ObjectManager";