1 files changed, 1 insertions, 1 deletions

diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index 43c475f2a73..65408801cfd 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -7115,7 +7115,7 @@ pgtk_cr_export_frames (Lisp_Object frames, cairo_surface_type_t surface_type)
   int width, height;
   void (*surface_set_size_func) (cairo_surface_t *, double, double) = NULL;
   Lisp_Object acc = Qnil;
-  ptrdiff_t count = SPECPDL_INDEX ();
+  specpdl_ref count = SPECPDL_INDEX ();
 
   specbind (Qredisplay_dont_pause, Qt);
   redisplay_preserve_echo_area (31);