diff --git a/server.py b/server.py
index 0d594d1..101279f 100644
--- a/server.py
+++ b/server.py
@@ -86,7 +86,8 @@ def hello_world():
 
 @app.route("/a1", methods=["GET"])
 def get_a1():
-    return {'a1': A1}
+    global global_a1
+    return {'a1': global_a1}
 
 
 if __name__ == '__main__':