diff --git a/scripts/upgrade b/scripts/upgrade
index f817ee3..35bfa37 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -79,7 +79,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=3
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
+	ynh_setup_source --dest_dir="$final_path" --full_replace=1
 fi
 
 # Except for data and tmp subdir, where the user must have write permissions