diff --git a/configure.ac b/configure.ac
index b8f3b9ea7..7e247670b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@ AC_SUBST([PACKAGE_NAME], ["$PACKAGE_NAME"])
 AC_SUBST([PACKAGE_VERSION], ["$PACKAGE_VERSION"])
 
 AM_INIT_AUTOMAKE([1.10 dist-bzip2 no-dist-gzip foreign])
-AM_MAINTAINER_MODE
+AM_MAINTAINER_MODE([enable])
 
 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])