diff --git a/jdk/src/share/classes/sun/nio/cs/ext/ExtendedCharsets.java b/jdk/src/share/classes/sun/nio/cs/ext/ExtendedCharsets.java
index 04434f1f563..bb6c16417a8 100644
--- a/jdk/src/share/classes/sun/nio/cs/ext/ExtendedCharsets.java
+++ b/jdk/src/share/classes/sun/nio/cs/ext/ExtendedCharsets.java
@@ -770,6 +770,7 @@ public class ExtendedCharsets
                 new String[] {
                     "cp834",
                     "ibm834",
+                    "834",
                     "ibm-834"
         });