diff --git a/pci_handler.cpp b/pci_handler.cpp
index 3f9b99f..b82d16a 100644
--- a/pci_handler.cpp
+++ b/pci_handler.cpp
@@ -18,11 +18,14 @@
 
 #include <cstdint>
 #include <cstring>
+#include <string>
 #include <vector>
 
 namespace blobs
 {
 
+const std::string PciDataHandler::p2aControlPath = "/dev/aspeed-p2a-ctrl";
+
 bool PciDataHandler::open()
 {
     /* TODO: For the ASPEED P2A driver, this method will enable the memory