1 files changed, 1 insertions, 1 deletions

diff --git a/src/termhooks.h b/src/termhooks.h
index 3368c906a2d..7f58114c219 100644
--- a/src/termhooks.h
+++ b/src/termhooks.h
@@ -317,7 +317,7 @@ struct terminal
 {
   /* The first two fields are really the header of a vector */
   /* The terminal code does not refer to them.  */
-  EMACS_INT size;
+  EMACS_UINT size;
   struct Lisp_Vector *vec_next;
 
   /* Parameter alist of this terminal.  */