diff --git a/src/intervals.h b/src/intervals.h
index 0115003df72..86c0d137bdf 100644
--- a/src/intervals.h
+++ b/src/intervals.h
@@ -197,6 +197,8 @@ extern Lisp_Object Qlocal_map;
 extern Lisp_Object Qforeground, Qbackground, Qfont, Qunderline, Qstipple;
 extern Lisp_Object Qinvisible, Qread_only;
 
+extern Lisp_Object Vinhibit_point_motion_hooks;
+
 extern Lisp_Object Ftext_properties_at ();
 extern Lisp_Object Fnext_property_change (), Fprevious_property_change ();
 extern Lisp_Object Fadd_text_properties (), Fset_text_properties ();