1 files changed, 1 insertions, 1 deletions

diff --git a/src/buffer.c b/src/buffer.c
index fd51f50dcac..fb9b15e4c70 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5083,7 +5083,7 @@ init_buffer (void)
 {
   char *pwd;
   Lisp_Object temp;
-  int len;
+  ptrdiff_t len;
 
 #ifdef USE_MMAP_FOR_BUFFERS
  {