diff --git a/ChangeLog b/ChangeLog
index a25c10e..5c6fbf2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-11-07  Ben Elliston  <bje@gnu.org>
+
+	Thanks to Urs Janßen.
+	* config.guess (mips:*:*:UMIPS | mips:*:*:RISCos): Fix typo.
+
 2017-11-07  Ben Elliston  <bje@gnu.org>
 
 	Reported by Nelson H. F. Beebe:
diff --git a/config.guess b/config.guess
index 9201400..31e01ef 100755
--- a/config.guess
+++ b/config.guess
@@ -482,7 +482,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 #endif
 	#if defined (host_mips) && defined (MIPSEB)
 	#if defined (SYSTYPE_SYSV)
-	  printf ("mips-mips-risco0s%ssysv\\n", argv[1]); exit (0);
+	  printf ("mips-mips-riscos%ssysv\\n", argv[1]); exit (0);
 	#endif
 	#if defined (SYSTYPE_SVR4)
 	  printf ("mips-mips-riscos%ssvr4\\n", argv[1]); exit (0);