diff --git a/scripts/ebook/5.sh b/scripts/ebook/5.sh
index 46d5637d5..6d90e378d 100755
--- a/scripts/ebook/5.sh
+++ b/scripts/ebook/5.sh
@@ -16,4 +16,4 @@ target_file="tmp/hpmor-epub-5-html-unmod.html"
title=$(grep "pdftitle=" layout/hp-header.tex | awk -F '[{}]' '{print $2}')
author=$(grep "pdfauthor=" layout/hp-header.tex | awk -F '[{}]' '{print $2}')
-pandoc --standalone --from=latex+latex_macros $source_file -o $target_file --metadata title="$title" --metadata author="$author"
+pandoc --standalone -V lang=en --from=latex+latex_macros $source_file -o $target_file --metadata title="$title" --metadata author="$author"
diff --git a/scripts/ebook/6.py b/scripts/ebook/6.py
index 60d51b2af..53c95a512 100755
--- a/scripts/ebook/6.py
+++ b/scripts/ebook/6.py
@@ -46,13 +46,14 @@
count=7,
)
-# set language
-cont = re.sub(
- r'(]*) lang="" xml:lang=""',
- r'\1 lang="en" xml:lang="en"',
- cont,
- count=1,
-)
+# now done via pandoc -V lang=en in 5.sh
+# # set language
+# cont = re.sub(
+# r'(]*) lang="" xml:lang=""',
+# r'\1 lang="en" xml:lang="en"',
+# cont,
+# count=1,
+# )
# remove training slashes to satisfy https://validator.w3.org
cont = cont.replace("
", "
")