diff --git a/MANIFEST b/MANIFEST
index 2b3c7ea160..e9ba1c25ae 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -209,6 +209,7 @@ missing/crypt.c
 missing/dup2.c
 missing/file.h
 missing/finite.c
+missing/fileblocks.c
 missing/flock.c
 missing/hypot.c
 missing/isinf.c