diff --git a/configure.ac b/configure.ac
index 1dfa9df..d2b7d31 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ([2.65])
-AC_INIT([AdvanceCOMP],[1.20])
+AC_INIT([AdvanceCOMP], [1.20], [], [], [http://www.advancemame.it])
 AM_INIT_AUTOMAKE([foreign no-dependencies subdir-objects])
 AC_CONFIG_SRCDIR([rezip.cc])
 AC_CONFIG_HEADERS([config.h])
diff --git a/redef.cc b/redef.cc
index 52dd6d0..6efd99d 100644
--- a/redef.cc
+++ b/redef.cc
@@ -642,7 +642,7 @@ struct option long_options[] = {
 
 void version()
 {
-	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni" << endl;
+	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni, " PACKAGE_URL "\n";
 }
 
 void usage()
diff --git a/remng.cc b/remng.cc
index 3a96837..ad1e842 100644
--- a/remng.cc
+++ b/remng.cc
@@ -1047,7 +1047,7 @@ struct option long_options[] = {
 
 void version()
 {
-	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni" << endl;
+	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni, " PACKAGE_URL "\n";
 }
 
 void usage()
diff --git a/repng.cc b/repng.cc
index a317d7c..a2e033f 100644
--- a/repng.cc
+++ b/repng.cc
@@ -361,7 +361,7 @@ struct option long_options[] = {
 
 void version()
 {
-	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni" << endl;
+	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni, " PACKAGE_URL "\n";
 }
 
 void usage()
diff --git a/rezip.cc b/rezip.cc
index b869235..9cc5cfc 100644
--- a/rezip.cc
+++ b/rezip.cc
@@ -457,7 +457,7 @@ struct option long_options[] = {
 
 void version()
 {
-	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni" << endl;
+	cout << PACKAGE " v" VERSION " by Andrea Mazzoleni, " PACKAGE_URL "\n";
 }
 
 void usage()