diff --git a/src/liblzma/lzma/fastpos_tablegen.c b/src/liblzma/lzma/fastpos_tablegen.c
index d4484c82..57ed1503 100644
--- a/src/liblzma/lzma/fastpos_tablegen.c
+++ b/src/liblzma/lzma/fastpos_tablegen.c
@@ -13,6 +13,8 @@
 
 #include <inttypes.h>
 #include <stdio.h>
+
+#define lzma_attr_visibility_hidden
 #include "fastpos.h"