diff --git a/test/acceptance.nbconvert.sh b/test/acceptance.nbconvert.sh
index d7b838d7..c403d9eb 100755
--- a/test/acceptance.nbconvert.sh
+++ b/test/acceptance.nbconvert.sh
@@ -28,7 +28,9 @@
 
 set -euo pipefail
 
-$* --to=notebook --execute --allow-errors --stdout test/acceptance.nbconvert.in.ipynb > test/acceptance.nbconvert.out.ipynb
+$* --to=notebook --execute --allow-errors test/acceptance.nbconvert.in.ipynb
+
+mv test/acceptance.nbconvert.in.nbconvert.ipynb test/acceptance.nbconvert.out.ipynb
 
 diff \
   <(grep -v -e 'version' -e 'Line ' -e 'Integral' -e 'Num'  \