diff --git a/common/configure.in b/common/configure.ac
similarity index 97%
rename from common/configure.in
rename to common/configure.ac
index f3dcf9b..c4c7de3 100644
--- a/common/configure.in
+++ b/common/configure.ac
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-AC_INIT(rdr/InStream.h)
+AC_INIT([librfb], [1.5.0a1], [http://www.tightvnc.com/bugs.html])
 
 dnl dirty hack to prevent use of -g in CFLAGS and CXXFLAGS
 ac_cv_prog_cc_g=no