diff --git a/argumentaire_faecum/Makefile b/argumentaire_faecum/Makefile
index d832bc4..4fee105 100644
--- a/argumentaire_faecum/Makefile
+++ b/argumentaire_faecum/Makefile
@@ -1,14 +1,17 @@
 ## $Id$
 
-all: argumentaire_faecum.pdf
+DOCPDF := argumentaire_faecum.pdf
+DOC := argumentaire_faecum
 
-%.pdf: %.tex
-	pdflatex argumentaire_faecum.tex
-	bibtex argumentaire_faecum
-	pdflatex argumentaire_faecum.tex
-	pdflatex argumentaire_faecum.tex
+all: $(DOCPDF)
+
+$(DOCPDF): $(wildcard *.tex)
+	pdflatex $(DOC)
+	bibtex $(DOC)
+	pdflatex $(DOC)
+	pdflatex $(DOC)
 
 clean:
-	$(RM) *.{aux,log,pdf,dvi,ps,bbl,blg,thm}
+	$(RM) *.aux *.log *.pdf *.dvi *.ps *.bbl *.blg *.thm
 
 .PHONY: clean all