1 files changed, 1 insertions, 1 deletions
diff --git a/src/util.h b/src/util.h
index d16f0a6..8b34022 100644
--- a/src/util.h
+++ b/src/util.h
@@ -35,7 +35,7 @@ void rotdash_hide(void);
 const char* get_snapshot_filename(const char *path, const char *fn);
 const char* get_attached_filename(const char *root, const char *fn);
 int isdirectory(const char *path);
-int copy_fd(int sfd, int dfd, size_t l);
+int copy_fd(int sfd, int dfd, off_t l);
 int copy_file(const char *src, const char *dst, int c);
 int move_file(const char *src, const char *dst, int c);
 int copy_or_link_file(const char *src, const char *dst, int c);