diff --git a/inc/post_code.hpp b/inc/post_code.hpp
index 737e0e4..f146008 100644
--- a/inc/post_code.hpp
+++ b/inc/post_code.hpp
@@ -137,7 +137,7 @@
     void incrBootCycle();
     uint16_t getBootNum(const uint16_t index) const;
 
-    std::unique_ptr<phosphor::Timer> timer;
+    std::unique_ptr<sdbusplus::Timer> timer;
     sdbusplus::bus_t& bus;
     EventPtr& event;
     int node;
diff --git a/src/post_code.cpp b/src/post_code.cpp
index ddabf30..957c7ba 100644
--- a/src/post_code.cpp
+++ b/src/post_code.cpp
@@ -76,7 +76,7 @@
 {
     if (!timer)
     {
-        timer = std::make_unique<phosphor::Timer>(
+        timer = std::make_unique<sdbusplus::Timer>(
             event.get(), [this]() { serialize(postCodeListPath); });
     }