1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 4c6906f..1914637 100644
--- a/Makefile
+++ b/Makefile
@@ -98,6 +98,7 @@ INSTALL_ITEMS := $(INSTALL_ITEMS) $(I):$(Is)/html_opt_group_element.h
 INSTALL_ITEMS := $(INSTALL_ITEMS) $(I):$(Is)/html_options_collection.h
 INSTALL_ITEMS := $(INSTALL_ITEMS) $(I):$(Is)/html_hr_element.h
 INSTALL_ITEMS := $(INSTALL_ITEMS) $(I):$(Is)/html_dlist_element.h
+INSTALL_ITEMS := $(INSTALL_ITEMS) $(I):$(Is)/html_directory_element.h
 
 INSTALL_ITEMS := $(INSTALL_ITEMS) /$(LIBDIR)/pkgconfig:lib$(COMPONENT).pc.in
 INSTALL_ITEMS := $(INSTALL_ITEMS) /$(LIBDIR):$(OUTPUT)