diff --git a/scripts/upgrade b/scripts/upgrade
index 1d29bc2..7d69764 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -112,7 +112,7 @@ then
     ynh_script_progression --message="Upgrading source files..." --weight=1
 
     # Download, check integrity, uncompress and patch the source from app.src
-    ynh_setup_source --dest_dir="$final_path" --keep="$final_path/plugins/* $final_path/application/config/config.php $final_path/upload"
+    ynh_setup_source --dest_dir="$final_path" --keep="$(echo $final_path/plugins/*) $final_path/application/config/config.php $final_path/upload"
 fi
 
 chmod 750 "$final_path"