diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index ae57a887d69e..12c86fc5cc76 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,7 @@
+2001-08-17  Tom Tromey  <tromey@redhat.com>
+
+	* gnu/gcj/convert/IOConverter.java: Add `646' alias.
+
 2001-08-17  Hans-J. Boehm <Hans_Boehm@hp.com>
 
 	* BigInteger.java: fix right shifts by nonzero multiples of 32.
diff --git a/libjava/gnu/gcj/convert/IOConverter.java b/libjava/gnu/gcj/convert/IOConverter.java
index ccb994f56ef1..353f31c609cd 100644
--- a/libjava/gnu/gcj/convert/IOConverter.java
+++ b/libjava/gnu/gcj/convert/IOConverter.java
@@ -27,6 +27,11 @@ public abstract class IOConverter
     // Manually maintained aliases.  Note that the value must be our
     // canonical name.
     hash.put ("iso-latin-1", "8859_1");
+    // On Solaris the default encoding, as returned by nl_langinfo(),
+    // is `646' (aka ASCII), but the Solaris iconv_open() doesn't
+    // understand that.  We work around the problem by adding an
+    // explicit alias for Solaris users.
+    hash.put ("646", "ASCII");
     // All aliases after this point are automatically generated by the
     // `encodings.pl' script.  Run it to make any corrections.
     hash.put ("ansi_x3.4-1968", "ASCII");