diff --git a/examples/synchronizer_ex.py b/examples/synchronizer_ex.py
index e826501..ba98ec2 100644
--- a/examples/synchronizer_ex.py
+++ b/examples/synchronizer_ex.py
@@ -20,7 +20,7 @@ class MyUser(HttpUser):
     @task
     def my_task(self):
         customer = synchronizer.getdata(self)
-        self.client.get(f"/{customer['ssn']}")
+        self.client.get(f"/?{customer['ssn']}")
 
 
 if __name__ == "__main__":
diff --git a/tox.ini b/tox.ini
index 0e9a7dc..2f37da1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,6 +32,8 @@ commands =
     grep -m 1 'Manual' output.txt
     grep -m 1 'LCP' output.txt
     bash -ec "! grep 'object has no attribute' output.txt"
+    bash -ec "(cd examples && PYTHONUNBUFFERED=1 locust -f synchronizer_ex.py --headless -t 5 -u 4 --processes 4) |& tee output.txt || true"
+    grep -m 1 '2099010101-1111' output.txt
     locust -f examples/jmeter_listener_example.py --headless -t 1
     locust-compose up -d
     sleep 15