1 files changed, 3 insertions, 0 deletions

diff --git a/src/keyboard.h b/src/keyboard.h
index eb4f3733f2e..88ae1be5786 100644
--- a/src/keyboard.h
+++ b/src/keyboard.h
@@ -108,6 +108,9 @@ struct kboard
     /* Alist of system-specific X windows key symbols.  */
     Lisp_Object Vsystem_key_alist;
 
+    /* Minibufferless frames on this display use this frame's minibuffer.  */
+    Lisp_Object Vdefault_minibuffer_frame;
+
     /* Number of displays using this KBOARD.  Normally 1, but can be
        larger when you have multiple screens on a single X display.  */
     int reference_count;