diff --git a/src/LpdMessage.cc b/src/LpdMessage.cc
index 213c0ae6..db658aab 100644
--- a/src/LpdMessage.cc
+++ b/src/LpdMessage.cc
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
@@ -30,6 +31,8 @@
  * version.  If you delete this exception statement from all source
  * files in the program, then also delete it here.
  */
+ /* copyright --> */
+ 
 #include "LpdMessage.h"
 #include "Peer.h"
 
diff --git a/src/LpdMessage.h b/src/LpdMessage.h
index 893d67b9..a167c232 100644
--- a/src/LpdMessage.h
+++ b/src/LpdMessage.h
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
@@ -30,6 +31,8 @@
  * version.  If you delete this exception statement from all source
  * files in the program, then also delete it here.
  */
+ /* copyright --> */
+ 
 #ifndef D_LPD_MESSAGE_H
 #define D_LPD_MESSAGE_H
 
diff --git a/src/LpdMessageDispatcher.cc b/src/LpdMessageDispatcher.cc
index 96e63236..66b6c2c1 100644
--- a/src/LpdMessageDispatcher.cc
+++ b/src/LpdMessageDispatcher.cc
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
@@ -30,6 +31,8 @@
  * version.  If you delete this exception statement from all source
  * files in the program, then also delete it here.
  */
+ /* copyright --> */
+ 
 #include "LpdMessageDispatcher.h"
 #include "SocketCore.h"
 #include "A2STR.h"
diff --git a/src/LpdMessageDispatcher.h b/src/LpdMessageDispatcher.h
index cd6f5b47..b4e1eab9 100644
--- a/src/LpdMessageDispatcher.h
+++ b/src/LpdMessageDispatcher.h
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
@@ -30,6 +31,8 @@
  * version.  If you delete this exception statement from all source
  * files in the program, then also delete it here.
  */
+ /* copyright --> */
+ 
 #ifndef D_LPD_MESSAGE_DISPATCHER_H
 #define D_LPD_MESSAGE_DISPATCHER_H
 
diff --git a/src/LpdMessageReceiver.cc b/src/LpdMessageReceiver.cc
index 13a0ebe9..24475c3d 100644
--- a/src/LpdMessageReceiver.cc
+++ b/src/LpdMessageReceiver.cc
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
@@ -30,6 +31,8 @@
  * version.  If you delete this exception statement from all source
  * files in the program, then also delete it here.
  */
+ /* copyright --> */
+ 
 #include "LpdMessageReceiver.h"
 #include "SocketCore.h"
 #include "Logger.h"
diff --git a/src/LpdMessageReceiver.h b/src/LpdMessageReceiver.h
index 7fa55736..6963565d 100644
--- a/src/LpdMessageReceiver.h
+++ b/src/LpdMessageReceiver.h
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
@@ -30,6 +31,8 @@
  * version.  If you delete this exception statement from all source
  * files in the program, then also delete it here.
  */
+ /* copyright --> */
+ 
 #ifndef D_LPD_MESSAGE_RECEIVER_H
 #define D_LPD_MESSAGE_RECEIVER_H
 
diff --git a/src/a2netcompat.h b/src/a2netcompat.h
index 4c5475ec..28024b13 100644
--- a/src/a2netcompat.h
+++ b/src/a2netcompat.h
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *
diff --git a/src/a2time.h b/src/a2time.h
index a7ea1f60..c430b5b3 100644
--- a/src/a2time.h
+++ b/src/a2time.h
@@ -1,3 +1,4 @@
+/* <!-- copyright */
 /*
  * aria2 - The high speed download utility
  *