diff --git a/configure.in b/configure.in
index 60cf3557..fde76c7f 100644
--- a/configure.in
+++ b/configure.in
@@ -252,12 +252,14 @@ AC_OUTPUT( \
 	simgear/version.h \
 	simgear/bucket/Makefile \
 	simgear/debug/Makefile \
+	simgear/ephemeris/Makefile \
 	simgear/magvar/Makefile \
 	simgear/math/Makefile \
 	simgear/misc/Makefile \
 	simgear/screen/Makefile \
 	simgear/serial/Makefile \
 	simgear/sky/Makefile \
+	simgear/timing/Makefile \
 	simgear/xgl/Makefile \
 	simgear/zlib/Makefile \
 )
diff --git a/simgear/Makefile.am b/simgear/Makefile.am
index 715caafd..cdba18bc 100644
--- a/simgear/Makefile.am
+++ b/simgear/Makefile.am
@@ -27,6 +27,7 @@ include_HEADERS = \
 SUBDIRS = \
 	bucket \
 	debug \
+	ephemeris \
 	magvar \
 	math \
 	$(METAR_DIRS) \