diff --git a/src/java.base/share/classes/java/util/LocaleISOData.java b/src/java.base/share/classes/java/util/LocaleISOData.java
index 9dd9e83035f..d7651902f8f 100644
--- a/src/java.base/share/classes/java/util/LocaleISOData.java
+++ b/src/java.base/share/classes/java/util/LocaleISOData.java
@@ -145,7 +145,7 @@ class LocaleISOData {
         + "mt" + "mlt"  // Maltese
         + "my" + "mya"  // Burmese
         + "na" + "nau"  // Nauru
-        + "nb" + "nob"  // Norwegian Bokm?l
+        + "nb" + "nob"  // Norwegian Bokm\u00e5l
         + "nd" + "nde"  // North Ndebele
         + "ne" + "nep"  // Nepali
         + "ng" + "ndo"  // Ndonga
@@ -209,7 +209,7 @@ class LocaleISOData {
         + "uz" + "uzb"  // Uzbek
         + "ve" + "ven"  // Venda
         + "vi" + "vie"  // Vietnamese
-        + "vo" + "vol"  // Volap?k
+        + "vo" + "vol"  // Volap\u00fck
         + "wa" + "wln"  // Walloon
         + "wo" + "wol"  // Wolof
         + "xh" + "xho"  // Xhosa