diff --git a/configure.in b/configure.in
index 4be68112..1d59c0ca 100644
--- a/configure.in
+++ b/configure.in
@@ -253,6 +253,7 @@ AC_OUTPUT( \
 	simgear/bucket/Makefile \
 	simgear/debug/Makefile \
 	simgear/ephemeris/Makefile \
+	simgear/io/Makefile \
 	simgear/magvar/Makefile \
 	simgear/math/Makefile \
 	simgear/misc/Makefile \
diff --git a/simgear/Makefile.am b/simgear/Makefile.am
index 47c95629..1d50e296 100644
--- a/simgear/Makefile.am
+++ b/simgear/Makefile.am
@@ -28,6 +28,7 @@ SUBDIRS = \
 	bucket \
 	debug \
 	ephemeris \
+	io \
 	magvar \
 	math \
 	$(METAR_DIRS) \