diff --git a/scripts/upgrade b/scripts/upgrade
index 8dd5438..73d5921 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -34,7 +34,7 @@ upgrade_type=$(ynh_check_app_version_changed)
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
 
-if ynh_compare_current_package_version --comparison lt --version 12.119.2~ynh1
+if ynh_compare_current_package_version --comparison lt --version 12.109.2~ynh1
 then
 	ynh_die --message="Sorry, this version is not upgradable to the latest version :("
 fi
@@ -106,6 +106,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
 	pushd "$final_path"
+		git config --system --add safe.directory *
 		git checkout master
 		git pull --quiet
 		git checkout $COMMIT --quiet