diff --git a/Makefile.am b/Makefile.am
index f256143..3bb2fa8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,7 @@
 ACLOCAL_AMFLAGS = -I m4
-EXTRA_DIST = autogen.sh
+EXTRA_DIST =			\
+	autogen.sh 		\
+	ax_pkg_swig.m4
 
 SUBDIRS =			\
 	src			\