diff --git a/src/java.base/share/classes/sun/net/idn/Punycode.java b/src/java.base/share/classes/sun/net/idn/Punycode.java
index 00279131add1af0c55b40dd51b5a29e17c17011a..7c22d7c1edd3714735b05fdb739473b2099d2926 100644
--- a/src/java.base/share/classes/sun/net/idn/Punycode.java
+++ b/src/java.base/share/classes/sun/net/idn/Punycode.java
@@ -185,7 +185,7 @@ public final class Punycode {
         for(j=0; j<srcLength; ++j) {
             if(srcCPCount==MAX_CP_COUNT) {
                 /* too many input code points */
-                throw new IndexOutOfBoundsException();
+                throw new ParseException("Too many input code points", -1);
             }
             c=src.charAt(j);
             if(isBasic(c)) {