diff --git a/configure.in b/configure.in
index fce8809..d4dbbd2 100644
--- a/configure.in
+++ b/configure.in
@@ -5,6 +5,8 @@ AM_INIT_AUTOMAKE([dist-bzip2 subdir-objects 1.6])
 AC_PREREQ(2.53)
 AM_CONFIG_HEADER(include/config.h)
 
+AM_MAINTAINER_MODE
+
 dnl Checks for programs.
 AC_PROG_CC
 AM_PROG_CC_C_O