diff --git a/pupy/conf/pupyenv.sh b/pupy/conf/pupyenv.sh
index 4534331f..5fd808a3 100755
--- a/pupy/conf/pupyenv.sh
+++ b/pupy/conf/pupyenv.sh
@@ -48,8 +48,8 @@ cd /opt/pupy
 
 find -type f -exec md5sum {} ';' >/projects/integrity.txt
 
-python -O -m compileall -qf
-python -OO -m compileall -qf
+python -O -m compileall -qf 1>/dev/null 2>/dev/null
+python -OO -m compileall -qf 1>/dev/null 2>/dev/null
 
 echo 'Copy your authorized_keys here!' >/projects/keys/README