diff --git a/sha1_file.c b/sha1_file.c
index f80bbe4..4714bd8 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -239,8 +239,6 @@
 struct alternate_object_database *alt_odb_list;
 static struct alternate_object_database **alt_odb_tail;
 
-static int git_open_noatime(const char *name);
-
 /*
  * Prepare alternate object database registry.
  *
@@ -1357,7 +1355,7 @@
 	return hashcmp(sha1, real_sha1) ? -1 : 0;
 }
 
-static int git_open_noatime(const char *name)
+int git_open_noatime(const char *name)
 {
 	static int sha1_file_open_flag = O_NOATIME;