diff --git a/book/book_sans_serif.tex b/book/book_sans_serif.tex
index 4174a9f..289f15e 100644
--- a/book/book_sans_serif.tex
+++ b/book/book_sans_serif.tex
@@ -1,2 +1,4 @@
 \def\isaccessible{1}
-\input{book.tex}
+% We have to use a symlink to book.tex to prevent tex4ebook to load book.ht4
+% before loading any other package and create conflicts
+\input{sourdough_book.tex}
diff --git a/book/sourdough_book.tex b/book/sourdough_book.tex
new file mode 120000
index 0000000..c0a4f0d
--- /dev/null
+++ b/book/sourdough_book.tex
@@ -0,0 +1 @@
+book.tex
\ No newline at end of file