diff --git a/configure.ac b/configure.ac
index 751df20..65153a9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,7 @@ LT_INIT
 
 AM_INIT_AUTOMAKE([1.14 foreign dist-xz dist-bzip2 subdir-objects])
 AM_SILENT_RULES([yes])
+AM_MAINTAINER_MODE([enable])
 
 AC_CONFIG_HEADERS([config.h])