diff --git a/inc/post_code.hpp b/inc/post_code.hpp
index 1e9b493..440e56f 100644
--- a/inc/post_code.hpp
+++ b/inc/post_code.hpp
@@ -85,7 +85,7 @@
 
 struct PostCode : sdbusplus::server::object_t<post_code, delete_all>
 {
-    PostCodeDataHolder postcodeDataHolderObj =
+    PostCodeDataHolder& postcodeDataHolderObj =
         PostCodeDataHolder::getInstance();
 
     PostCode(sdbusplus::bus_t& bus, const char* path, EventPtr& /*event*/) :
diff --git a/src/main.cpp b/src/main.cpp
index 7048dd2..026558a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -19,7 +19,7 @@
 
 int main(int argc, char* argv[])
 {
-    PostCodeDataHolder postcodeDataHolderObj =
+    PostCodeDataHolder& postcodeDataHolderObj =
         PostCodeDataHolder::getInstance();
 
     int arg;