diff --git a/android/ipc-tester.c b/android/ipc-tester.c
index 2378101..63fd105 100644
--- a/android/ipc-tester.c
+++ b/android/ipc-tester.c
sizeof(struct hal_cmd_register_module), -1);
test_datasize_valid("CORE Unregister+", HAL_SERVICE_ID_CORE,
HAL_OP_UNREGISTER_MODULE,
- sizeof(struct hal_cmd_register_module), 1);
+ sizeof(struct hal_cmd_unregister_module), 1);
test_datasize_valid("CORE Unregister-", HAL_SERVICE_ID_CORE,
HAL_OP_UNREGISTER_MODULE,
- sizeof(struct hal_cmd_register_module), -1);
+ sizeof(struct hal_cmd_unregister_module), -1);
/* check for valid data size for BLUETOOTH */
test_datasize_valid("BT Enable+", HAL_SERVICE_ID_BLUETOOTH,