diff --git a/configure.in b/configure.in
index ca15c33c..1309b7b8 100644
--- a/configure.in
+++ b/configure.in
@@ -2,7 +2,7 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(src/backtrace.c)
 AC_CONFIG_AUX_DIR(aux)
 AC_CANONICAL_SYSTEM
-AM_INIT_AUTOMAKE(libunwind, 0.2)
+AM_INIT_AUTOMAKE(libunwind, 0.2-pre1)
 AM_MAINTAINER_MODE
 AM_CONFIG_HEADER(include/config.h)