1 files changed, 1 insertions, 1 deletions
diff --git a/entry.h b/entry.h
index 2254c62727..252fd24c2e 100644
--- a/entry.h
+++ b/entry.h
@@ -52,7 +52,7 @@ int finish_delayed_checkout(struct checkout *state, int *nr_checkouts,
  */
 void unlink_entry(const struct cache_entry *ce);
 
-void *read_blob_entry(const struct cache_entry *ce, unsigned long *size);
+void *read_blob_entry(const struct cache_entry *ce, size_t *size);
 int fstat_checkout_output(int fd, const struct checkout *state, struct stat *st);
 void update_ce_after_write(const struct checkout *state, struct cache_entry *ce,
 			   struct stat *st);