diff --git a/scripts/test.py b/scripts/test.py
index aeea24c1..facf6b38 100644
--- a/scripts/test.py
+++ b/scripts/test.py
@@ -49,8 +49,12 @@ def start_server():
     t6.start()
 
 def start_ua2f(u: str):
-    p = subprocess.Popen([u])
-    atexit.register(lambda: p.kill())
+    try:
+        out = subprocess.check_output([u])
+        print(out)
+    except Exception as e:
+        print(e)
+        exit(-1)
 
 
 def setup_iptables():
@@ -92,6 +96,9 @@ def assert_equal(actual, expected):
         response = requests.get(f"http://127.0.0.1:{PORT}", headers={
             "User-Agent": nxt
         })
+        if not response.ok:
+            print(response.status_code)
+            print(response.text)
         assert response.ok
         assert response.text == str(len(nxt))