diff --git a/JavaScriptCore/wtf/unicode/icu/UnicodeIcu.h b/JavaScriptCore/wtf/unicode/icu/UnicodeIcu.h
index a2a5c0a..810f34b 100644
--- a/JavaScriptCore/wtf/unicode/icu/UnicodeIcu.h
+++ b/JavaScriptCore/wtf/unicode/icu/UnicodeIcu.h
@@ -27,6 +27,7 @@
 #include <unicode/uchar.h>
 #include <unicode/ustring.h>
 #include <unicode/utf16.h>
+#include <unicode/uversion.h>
 
 namespace WTF {
 namespace Unicode {
diff --git a/WebCore/platform/text/TextBreakIterator.h b/WebCore/platform/text/TextBreakIterator.h
index 17cf5f0..7ead196 100644
--- a/WebCore/platform/text/TextBreakIterator.h
+++ b/WebCore/platform/text/TextBreakIterator.h
@@ -26,7 +26,12 @@
 
 namespace WebCore {
 
+#if (U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM >= 4)
+    typedef struct UBreakIterator TextBreakIterator;
+#else
     class TextBreakIterator;
+#endif
+
 
     // Note: The returned iterator is good only until you get another iterator.