diff --git a/paperless.conf.build.sh b/paperless.conf.build.sh
index 1b245b6..44566a7 100755
--- a/paperless.conf.build.sh
+++ b/paperless.conf.build.sh
@@ -30,6 +30,7 @@ _sed=(
   -e "/#PAPERLESS_CONSUMPTION_DIR=/ a PAPERLESS_LOGGING_DIR=${PROJECT}/log"
   -e '/#PAPERLESS_CONSUMER_RECURSIVE=/ a PAPERLESS_CONSUMER_RECURSIVE=true'
   -e '/#PAPERLESS_CONSUMER_SUBDIRS_AS_TAGS=/ a PAPERLESS_CONSUMER_SUBDIRS_AS_TAGS=true'
+  -e "/#PAPERLESS_DATA_DIR=/ a PAPERLESS_SCRATCH_DIR=${TMPDIR}"
   -e "/#PAPERLESS_DATA_DIR=/ a PAPERLESS_DATA_DIR=${PROJECT}/data"
   -e "/#PAPERLESS_STATICDIR=/ a PAPERLESS_STATICDIR=${PREFIX}/static"
   -e "/#PAPERLESS_MEDIA_ROOT=/ a PAPERLESS_MEDIA_ROOT=${PROJECT}/media"