diff --git a/libc/Android.mk b/libc/Android.mk
index d277551..80abce7 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -146,6 +146,7 @@
     bionic/pause.cpp \
     bionic/pipe.cpp \
     bionic/poll.cpp \
+    bionic/posix_fadvise.cpp \
     bionic/posix_fallocate.cpp \
     bionic/posix_timers.cpp \
     bionic/pthread_atfork.cpp \