diff --git a/ChangeLog b/ChangeLog
index 3f00177..9c688eb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2019-12-21  Torbjörn Granlund  <tg@gmplib.org>
+
+	* config.guess (alpha:Linux:*:*): Guard against missing
+	/proc/cpuinfo by redirecting standard error to /dev/null.
+
 2019-09-12  Ben Elliston  <bje@gnu.org>
 
 	* testsuite/config-guess.data: Sort.
diff --git a/config.guess b/config.guess
index 7f9ebbe..fe242a4 100755
--- a/config.guess
+++ b/config.guess
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2019 Free Software Foundation, Inc.
 
-timestamp='2019-09-10'
+timestamp='2019-12-21'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -924,7 +924,7 @@ EOF
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
     alpha:Linux:*:*)
-	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+	case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' /proc/cpuinfo 2>/dev/null` in
 	  EV5)   UNAME_MACHINE=alphaev5 ;;
 	  EV56)  UNAME_MACHINE=alphaev56 ;;
 	  PCA56) UNAME_MACHINE=alphapca56 ;;