diff --git a/ibm_vpd_app.cpp b/ibm_vpd_app.cpp
index cf37259..29e7cba 100644
--- a/ibm_vpd_app.cpp
+++ b/ibm_vpd_app.cpp
@@ -451,8 +451,8 @@
             ((json["frus"][file].at(0)["presence"]).find("value") !=
              json["frus"][file].at(0)["presence"].end()))
         {
-            Byte presPinName = json["frus"][file].at(0)["presence"]["pin"];
-            string presPinValue = json["frus"][file].at(0)["presence"]["value"];
+            string presPinName = json["frus"][file].at(0)["presence"]["pin"];
+            Byte presPinValue = json["frus"][file].at(0)["presence"]["value"];
 
             try
             {