diff --git a/Makefile b/Makefile
index 4dbd5c5e986a66ce9decaff18e4eaa7a6cc75fff..21ab83486fd8da53d7e024aea1d6832eadf23950 100644
--- a/Makefile
+++ b/Makefile
@@ -3,4 +3,4 @@ preprocessor.pdf: preprocessor.tex expr.png expr-sharing.png matrices.png overvi
 	pdflatex preprocessor
 
 clean:
-	rm -f preprocessor.{pdf,toc,aux,log,nav,snm,vrb,out} *~
+	rm -f *.pdf *.toc *.aux *.log *.nav *.snm *.vrb *.out *~