diff --git a/mm2sympa.sh b/mm2sympa.sh
index 4e3d15648eb47c867af7555e7fa51e87ae930382..eb17708111e75651848121df35a729a617c07c6b 100755
--- a/mm2sympa.sh
+++ b/mm2sympa.sh
@@ -76,7 +76,7 @@ opts=()
 if [ -e $regexp_mapping ]; then
     opts=( "${opts[@]}" --regexp-mapping $regexp_mapping )
 fi
-(set -x && $base/gen_config.py "${opts[@]}" $inputpy $membersjson $configxml $infofile $blocklist $whitelist $modlist $memberdump)
+$base/gen_config.py "${opts[@]}" $inputpy $membersjson $configxml $infofile $blocklist $whitelist $modlist $memberdump
 # sympa user needs access
 chmod 0644 $configxml