diff --git a/scripts/upgrade b/scripts/upgrade
index dba3f32..7cf57d7 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -94,7 +94,7 @@ ynh_replace_string --target_file="$config" \
 #=================================================
 ynh_script_progression --message="Upgrading source files..." --weight=1
 
-ynh_setup_source --dest_dir="$install_dir/live" --full_replace
+ynh_setup_source --dest_dir="$install_dir/live" --full_replace=1
 
 chown -R "$app:$app" "$install_dir"