diff --git a/libc/Android.mk b/libc/Android.mk
index a6298a0..002978c 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -127,6 +127,7 @@
     bionic/getauxval.cpp \
     bionic/getcwd.cpp \
     bionic/getpgrp.cpp \
+    bionic/getpid.cpp \
     bionic/gettid.cpp \
     bionic/inotify_init.cpp \
     bionic/lchown.cpp \