1 files changed, 1 insertions, 1 deletions
diff --git a/cache.h b/cache.h
index 281f00ab1b..d8b0dc2ff1 100644
--- a/cache.h
+++ b/cache.h
@@ -567,7 +567,7 @@ extern char *git_work_tree_cfg;
 int is_inside_work_tree(void);
 const char *get_git_dir(void);
 const char *get_git_common_dir(void);
-char *get_object_directory(void);
+const char *get_object_directory(void);
 char *get_index_file(void);
 char *get_graft_file(struct repository *r);
 void set_git_dir(const char *path, int make_realpath);