diff --git a/lib/sha1.c b/lib/sha1.c
index 1df191e04a24c800f59759f4445d799822f5d9e9..5a56dfd7b99de98ca47f75ab528dc8e3196efd3e 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -198,3 +198,4 @@ void sha_init(__u32 *buf)
 	buf[3] = 0x10325476;
 	buf[4] = 0xc3d2e1f0;
 }
+EXPORT_SYMBOL(sha_init);