diff --git a/libc/Android.bp b/libc/Android.bp
index 7c82695..5568760 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -414,6 +414,7 @@
         "upstream-openbsd/lib/libc/locale/wcsxfrm.c",
         "upstream-openbsd/lib/libc/locale/wctob.c",
         "upstream-openbsd/lib/libc/locale/wctomb.c",
+        "upstream-openbsd/lib/libc/net/base64.c",
         "upstream-openbsd/lib/libc/net/htonl.c",
         "upstream-openbsd/lib/libc/net/htons.c",
         "upstream-openbsd/lib/libc/net/inet_lnaof.c",