diff --git a/docs/reference/astrognome/Makefile.am b/docs/reference/astrognome/Makefile.am
index 961bad4..115f28a 100644
--- a/docs/reference/astrognome/Makefile.am
+++ b/docs/reference/astrognome/Makefile.am
@@ -49,8 +49,8 @@ FIXXREF_OPTIONS=
 # Used for dependencies. The docs will be rebuilt if any of these change.
 # e.g. HFILE_GLOB=$(top_srcdir)/gtk/*.h
 # e.g. CFILE_GLOB=$(top_srcdir)/gtk/*.c
-HFILE_GLOB=
-CFILE_GLOB=
+HFILE_GLOB=$(top_srcdir)/src/*.h
+CFILE_GLOB=$(top_srcdir)/src/*.c
 
 # Extra header to include when scanning, which are not under DOC_SOURCE_DIR
 # e.g. EXTRA_HFILES=$(top_srcdir}/contrib/extra.h
@@ -102,4 +102,3 @@ TESTS_ENVIRONMENT = cd $(srcdir) && \
 #TESTS = $(GTKDOC_CHECK)
 endif
 
--include $(top_srcdir)/git.mk