diff --git a/Makefile.am b/Makefile.am
index f47ff18..be0ee81 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -104,8 +104,8 @@ foundation_test_files = \
 
 inweb_SOURCES = $(inweb_files:.nw=.cc)
 
-html: $(inweb_files:.nw=.html) $(foundation:.nw:.html)
+html: $(inweb_files:.nw=.html) $(foundation_files:.nw=.html)
 
-pdf: $(inweb_files:.nw=.pdf) $(foundation:.nw:.pdf)
+pdf: $(inweb_files:.nw=.pdf) $(foundation:.nw=.pdf)