diff --git a/am-shared/docs-dir-include.am b/am-shared/docs-dir-include.am
index 34d969ab..f246ef41 100644
--- a/am-shared/docs-dir-include.am
+++ b/am-shared/docs-dir-include.am
@@ -186,24 +186,32 @@ $(LINKS):
 		if test "x$$d1" != "x$$oldd1" ; then \
 			echo "* \`$$d1/\`" ;\
 			oldd1=$$d1 ;\
+			oldd2="";\
+			oldd3="";\
+			oldd4="";\
 		fi ; \
 		if test "x$$d2" = x ; then \
 			echo "    * [$$docname]($$html) ([src]($(REPOURL)/$$doc))" ;\
 		elif test "x$$d2" != "x$$oldd2" ; then \
 			echo "    * \`$$d2/\`" ;\
 			oldd2=$$d2 ;\
+			oldd3="";\
+			oldd4="";\
+			oldd5="";\
 		fi ; \
 		if test "x$$d3" = x -a "x$$d2" != x; then \
 			echo "        * [$$docname]($$html) ([src]($(REPOURL)/$$doc))" ;\
 		elif test "x$$d3" != "x$$oldd3" ; then \
 			echo "        * \`$$d3/\`" ;\
 			oldd3=$$d3 ;\
+			oldd4="";\
 		fi ; \
 		if test "x$$d4" = x -a "x$$d3" != x ; then \
 			echo "            * [$$docname]($$html) ([src]($(REPOURL)/$$doc))" ;\
 		elif test "x$$d4" != "x$$oldd4" ; then \
 			echo "            * \`$$d4/\`" ;\
 			oldd4=$$d4 ;\
+			oldd5="";\
 		fi ; \
 		if test "x$$d5" = x -a "x$$d4" != x ; then \
 			echo "                * [$$docname]($$html) ([src]($(REPOURL)/$$doc))" ;\