diff --git a/scripts/_common.sh b/scripts/_common.sh
index 0c255f3..d41030f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -45,14 +45,14 @@ _ynh_caerp_build_python() {
 
 _ynh_caerp_migratedb() {
     pushd "$install_dir" 2>&1
-        ynh_exec_as $app "$install_dir/venv/bin/caerp-admin" "$install_dir/caerp.ini" \
+        ynh_exec_as "$app" "$install_dir/venv/bin/caerp-admin" "$install_dir/caerp.ini" \
             syncdb
     popd 2>&1
  }
 
 _ynh_caerp_add_admin() {
     pushd "$install_dir" 2>&1
-        ynh_exec_as $app "$install_dir/venv/bin/caerp-admin" "$install_dir/caerp.ini" \
+        ynh_exec_as "$app" "$install_dir/venv/bin/caerp-admin" "$install_dir/caerp.ini" \
             useradd --group=admin --user="admin" --pwd="$password" --email="admin@$domain"
     popd 2>&1
  }