diff --git a/projects/Lang/54/org/apache/commons/lang/LocaleUtils.java b/projects/Lang/54/org/apache/commons/lang/LocaleUtils.java
index 139d9a7..9607953 100644
--- a/projects/Lang/54/org/apache/commons/lang/LocaleUtils.java
+++ b/projects/Lang/54/org/apache/commons/lang/LocaleUtils.java
@@ -111,6 +111,9 @@ public static Locale toLocale(String str) {
                 throw new IllegalArgumentException("Invalid locale format: " + str);
             }
             char ch3 = str.charAt(3);
+            if (ch3 == '_') {
+                return new Locale(str.substring(0, 2), "", str.substring(4));
+            }
             char ch4 = str.charAt(4);
             if (ch3 < 'A' || ch3 > 'Z' || ch4 < 'A' || ch4 > 'Z') {
                 throw new IllegalArgumentException("Invalid locale format: " + str);