diff --git a/src/minibuf.c b/src/minibuf.c
index 8d2995ebf91..56b927b0caa 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1,5 +1,5 @@
 /* Minibuffer input and completion.
-   Copyright (C) 1985, 1986, 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1985, 1986, 1993, 1994, 1995 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -153,7 +153,7 @@ read_minibuf (map, initial, prompt, backup_n, expflag, histvar, histpos)
     = Fcons (minibuf_prompt,
 	     Fcons (make_number (minibuf_prompt_width),
 		    Fcons (Vhelp_form,
-			   Fcons (Vcurrent_prefix_arg,
+			   Fcons (current_perdisplay->Vcurrent_prefix_arg,
 				  Fcons (Vminibuffer_history_position,
 					 Fcons (Vminibuffer_history_variable,
 						minibuf_save_list))))));
@@ -393,7 +393,7 @@ read_minibuf_unwind (data)
   minibuf_save_list = Fcdr (minibuf_save_list);
   Vhelp_form = Fcar (minibuf_save_list);
   minibuf_save_list = Fcdr (minibuf_save_list);
-  Vcurrent_prefix_arg = Fcar (minibuf_save_list);
+  current_perdisplay->Vcurrent_prefix_arg = Fcar (minibuf_save_list);
   minibuf_save_list = Fcdr (minibuf_save_list);
   Vminibuffer_history_position = Fcar (minibuf_save_list);
   minibuf_save_list = Fcdr (minibuf_save_list);