diff --git a/Makefile b/Makefile
index 273a77e..cffb8b8 100644
--- a/Makefile
+++ b/Makefile
@@ -28,11 +28,11 @@ help:
 # Finally, we generate the final PDF by adding the bookmarks (for easier navigation in the PDF)
 # After all, clean up
 pdf: weasyprint
-	weasyprint build/weasyprint/index.html build/weasyprint/index.pdf -s source/css/print-theme.css
-	python3 sphinx-tools/count_pdf_pages.py
-	weasyprint build/weasyprint/index.html build/weasyprint/index.pdf -s source/css/print-theme.css
-	./pdftoc-to-latex build/weasyprint/index.pdf > build/weasyprint/toc.tex
-	- pdflatex -interaction nonstopmode -output-directory=build/weasyprint build/weasyprint/toc.tex
-	pdftk A=build/weasyprint/index.pdf B=build/weasyprint/toc.pdf cat A1 B A2-end output build/weasyprint/vheliotech-without-bookmarks.pdf
-	python3 sphinx-tools/update_pdf_bookmarks.py build/weasyprint/index.pdf build/weasyprint/vheliotech-without-bookmarks.pdf build/weasyprint/vheliotech.pdf
-	#rm build/weasyprint/index.pdf build/weasyprint/toc.tex build/weasyprint/toc.pdf build/weasyprint/GuidedemontageVheliotech.pdf
+	weasyprint "$(BUILDDIR)/weasyprint/index.html" "$(BUILDDIR)/weasyprint/index.pdf" -s "$(SOURCEDIR)/css/print-theme.css"
+	python3 sphinx-tools/count_pdf_pages.py "$(BUILDDIR)/weasyprint/index.pdf" "$(SOURCEDIR)/css/print-theme.css"
+	weasyprint "$(BUILDDIR)/weasyprint/index.html" "$(BUILDDIR)/weasyprint/index.pdf" -s "$(SOURCEDIR)/css/print-theme.css"
+	./pdftoc-to-latex "$(BUILDDIR)/weasyprint/index.pdf" > "$(BUILDDIR)/weasyprint/toc.tex"
+	- pdflatex -interaction nonstopmode "-output-directory=$(BUILDDIR)/weasyprint" "$(BUILDDIR)/weasyprint/toc.tex"
+	pdftk "A=$(BUILDDIR)/weasyprint/index.pdf" "B=$(BUILDDIR)/weasyprint/toc.pdf" cat A1 B A2-end output "$(BUILDDIR)/weasyprint/vheliotech-without-bookmarks.pdf"
+	python3 sphinx-tools/update_pdf_bookmarks.py "$(BUILDDIR)/weasyprint/index.pdf" "$(BUILDDIR)/weasyprint/vheliotech-without-bookmarks.pdf" "$(BUILDDIR)/weasyprint/vheliotech.pdf"
+	#rm "$(BUILDDIR)/weasyprint/index.pdf" "$(BUILDDIR)/weasyprint/toc.tex" "$(BUILDDIR)/weasyprint/toc.pdf" "$(BUILDDIR)/weasyprint/GuidedemontageVheliotech.pdf"
diff --git a/sphinx-tools/count_pdf_pages.py b/sphinx-tools/count_pdf_pages.py
index bc55c90..eaee5ea 100644
--- a/sphinx-tools/count_pdf_pages.py
+++ b/sphinx-tools/count_pdf_pages.py
@@ -1,8 +1,9 @@
 import subprocess
 import re
+import sys
 
-pdf_filename = 'build/weasyprint/index.pdf'
-css_filename = 'source/css/print-theme.css'
+pdf_filename = sys.argv[1]
+css_filename = sys.argv[2]
 additional_pages = 2
 
 # count pages in index.pdf