--- ./Makefile.orig	1995-12-05 13:26:11.000000000 +0100
+++ ./Makefile	2014-03-25 15:52:27.000000000 +0100
@@ -36,7 +36,7 @@
 # End of user options.
 #
 
-HTML_SOURCES = DOC/HTML/SGMLSpm/ DOC/HTML/sgmlspl/
+HTML_SOURCES = DOC/HTML/SGMLSpm DOC/HTML/sgmlspl
 
 FILES =	${BINDIR}/sgmlspl \
 	${PERL5DIR}/SGMLS.pm \
@@ -62,7 +62,7 @@
 
 ${MODULEDIR}:
 	if [ ! -d ${MODULEDIR} ]; then\
-	  mkdir ${MODULEDIR}; \
+	  mkdir -p ${MODULEDIR}; \
 	  chmod a+x ${MODULEDIR}; \
 	fi