diff --git a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
index 82dda61..7e418a8 100644
--- a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
+++ b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
@@ -535,6 +535,8 @@
     // Check the loopback of the ACL packet
     ASSERT_TRUE(bluetooth_cb->WaitForCallback(kCallbackNameAclEventReceived)
                     .no_timeout);
+    ASSERT_FALSE(acl_queue.empty());
+
     hidl_vec<uint8_t> acl_loopback = acl_queue.front();
     acl_queue.pop();