diff --git a/aarch64/__init__.py b/aarch64/__init__.py
index a9659104..1341d186 100644
--- a/aarch64/__init__.py
+++ b/aarch64/__init__.py
@@ -101,7 +101,7 @@ def compiler_switches(self):
 
     @property
     def system_ads(self):
-        return {
+        result = {
             'light': 'system-xi-arm-nxstack-light.ads',
             'light-tasking': 'system-xi-arm-nxstack-light-tasking.ads'
         }