diff --git a/meta-facebook/meta-bletchley/recipes-extended/libzip/libzip_%.bbappend b/meta-facebook/meta-bletchley/recipes-extended/libzip/libzip_%.bbappend
new file mode 100644
index 0000000..e8d10b8
--- /dev/null
+++ b/meta-facebook/meta-bletchley/recipes-extended/libzip/libzip_%.bbappend
@@ -0,0 +1 @@
+CFLAGS += " -D_FILE_OFFSET_BITS=64"