diff --git a/const.hpp b/const.hpp
index 008ba72..4bbee6c 100644
--- a/const.hpp
+++ b/const.hpp
@@ -102,6 +102,7 @@
 constexpr auto i2cPathPrefix = "/sys/bus/i2c/drivers/at24/";
 constexpr auto spiPathPrefix = "/sys/bus/spi/drivers/at25/";
 constexpr auto invItemIntf = "xyz.openbmc_project.Inventory.Item";
+constexpr auto errIntfForSysVPDMismatch = "com.ibm.VPD.Error.SystemVPDMismatch";
 
 namespace lengths
 {