diff --git a/Makefile.am b/Makefile.am
index 4a2dc4da..9b701863 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,5 @@
 if HAVE_PDFLATEX
-all-local: preprocessor.pdf
+pdf-local: preprocessor.pdf
 endif
 
 SRC = preprocessor.tex expr.png expr-sharing.png matrices.png overview.png