diff --git a/doc/scsh-manual/Makefile b/doc/scsh-manual/Makefile
index d192e6d..98d2a63 100644
--- a/doc/scsh-manual/Makefile
+++ b/doc/scsh-manual/Makefile
@@ -6,6 +6,7 @@ TEX=	front.tex intro.tex procnotation.tex syscalls.tex network.tex \
 
 man.dvi: $(TEX) man.ind
 man.ind: man.idx
+man.pdf: $(TEX) man.ind
 
 .dvi.ps:
 	dvips -o $@ $<