diff --git a/tests/Android.bp b/tests/Android.bp
index 9aca488..656be1f 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -474,6 +474,7 @@
         "sys_cachectl_test.cpp",
         "sys_epoll_test.cpp",
         "sys_hwprobe_test.cpp",
+        "sys_io_test.cpp",
         "sys_mman_test.cpp",
         "sys_msg_test.cpp",
         "sys_param_test.cpp",