diff --git a/docs/doxygen/Makefile.am b/docs/doxygen/Makefile.am
index 4351042..40a02e8 100644
--- a/docs/doxygen/Makefile.am
+++ b/docs/doxygen/Makefile.am
@@ -6,9 +6,7 @@ if WITH_LIBZMF_DOCS
 
 install-data-am:
 	mkdir -p $(DESTDIR)$(docdir)/html
-	$(INSTALL_DATA) html/*.html $(DESTDIR)$(docdir)/html/
-	$(INSTALL_DATA) html/*.png $(DESTDIR)$(docdir)/html/
-	$(INSTALL_DATA) html/*.css $(DESTDIR)$(docdir)/html/
+	$(INSTALL_DATA) html/* $(DESTDIR)$(docdir)/html/
 
 uninstall-am:
 	-rm -rf $(DESTDIR)$(docdir)/html
diff --git a/docs/doxygen/Makefile.in b/docs/doxygen/Makefile.in
index 9ad8360..0ff329d 100644
--- a/docs/doxygen/Makefile.in
+++ b/docs/doxygen/Makefile.in
@@ -476,9 +476,7 @@ ps-am:
 
 @WITH_LIBZMF_DOCS_TRUE@install-data-am:
 @WITH_LIBZMF_DOCS_TRUE@	mkdir -p $(DESTDIR)$(docdir)/html
-@WITH_LIBZMF_DOCS_TRUE@	$(INSTALL_DATA) html/*.html $(DESTDIR)$(docdir)/html/
-@WITH_LIBZMF_DOCS_TRUE@	$(INSTALL_DATA) html/*.png $(DESTDIR)$(docdir)/html/
-@WITH_LIBZMF_DOCS_TRUE@	$(INSTALL_DATA) html/*.css $(DESTDIR)$(docdir)/html/
+@WITH_LIBZMF_DOCS_TRUE@	$(INSTALL_DATA) html/* $(DESTDIR)$(docdir)/html/
 
 @WITH_LIBZMF_DOCS_TRUE@uninstall-am:
 @WITH_LIBZMF_DOCS_TRUE@	-rm -rf $(DESTDIR)$(docdir)/html
