diff --git a/libs/ftl/Android.bp b/libs/ftl/Android.bp
index ea1b5e4..918680d 100644
--- a/libs/ftl/Android.bp
+++ b/libs/ftl/Android.bp
@@ -17,6 +17,7 @@
         "enum_test.cpp",
         "fake_guard_test.cpp",
         "flags_test.cpp",
+        "function_test.cpp",
         "future_test.cpp",
         "match_test.cpp",
         "mixins_test.cpp",