diff --git a/doc/reference/cogl-2.0-experimental/Makefile.am b/doc/reference/cogl-2.0-experimental/Makefile.am
index 51a1b8b31..c432cb8a7 100644
--- a/doc/reference/cogl-2.0-experimental/Makefile.am
+++ b/doc/reference/cogl-2.0-experimental/Makefile.am
@@ -142,17 +142,13 @@ INCLUDES=-I$(top_srcdir) -I$(top_builddir)/cogl -DCOGL_ENABLE_EXPERIMENTAL_API $
 GTKDOC_LIBS=$(top_builddir)/cogl/libcogl.la $(COGL_DEP_LIBS)
 
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
-EXTRA_DIST =
 if BUILD_GTK_DOC
 include $(top_srcdir)/gtk-doc.make
+else
+EXTRA_DIST =
 endif
 
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
 
-EXTRA_DIST += \
-	fill-rule-non-zero.png \
-	fill-rule-even-odd.png \
-	quad-indices-triangles.png \
-	quad-indices-order.png \
-	cogl_ortho.png
+EXTRA_DIST += $(HTML_IMAGES) $(content_files)
diff --git a/doc/reference/cogl/Makefile.am b/doc/reference/cogl/Makefile.am
index 66550cce9..ef416e496 100644
--- a/doc/reference/cogl/Makefile.am
+++ b/doc/reference/cogl/Makefile.am
@@ -139,17 +139,13 @@ INCLUDES=-I$(top_srcdir) -I$(top_builddir)/cogl -DCOGL_ENABLE_EXPERIMENTAL_API $
 GTKDOC_LIBS=$(top_builddir)/cogl/libcogl.la $(COGL_DEP_LIBS)
 
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
-EXTRA_DIST =
 if BUILD_GTK_DOC
 include $(top_srcdir)/gtk-doc.make
+else
+EXTRA_DIST =
 endif
 
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
 
-EXTRA_DIST += \
-	fill-rule-non-zero.png \
-	fill-rule-even-odd.png \
-	quad-indices-triangles.png \
-	quad-indices-order.png \
-	cogl_ortho.png
+EXTRA_DIST += $(HTML_IMAGES) $(content_files)