diff --git a/DRAMSys/library/src/common/dramExtensions.h b/DRAMSys/library/src/common/dramExtensions.h
index 929495de..dd781871 100644
--- a/DRAMSys/library/src/common/dramExtensions.h
+++ b/DRAMSys/library/src/common/dramExtensions.h
@@ -159,6 +159,10 @@ class DramExtension : public tlm::tlm_extension<DramExtension>
 {
 public:
     DramExtension();
+    DramExtension(Thread thread, Channel channel, Rank rank,
+                  BankGroup bankGroup, Bank bank, Row row,
+                  Column column, unsigned int burstLength,
+                  uint64_t threadPayloadID, uint64_t channelPayloadID);
     tlm::tlm_extension_base *clone() const override;
     void copy_from(const tlm::tlm_extension_base &ext) override;
 
@@ -217,11 +221,6 @@ public:
     void incrementRow();
 
 private:
-    DramExtension(Thread thread, Channel channel, Rank rank,
-                  BankGroup bankGroup, Bank bank, Row row,
-                  Column column, unsigned int burstLength,
-                  uint64_t threadPayloadID, uint64_t channelPayloadID);
-
     Thread thread;
     Channel channel;
     Rank rank;