1 files changed, 1 insertions, 1 deletions
diff --git a/thirdparty/icu4c/common/rbbidata.h b/thirdparty/icu4c/common/rbbidata.h
index 3749f16799..1bc76d5e5d 100644
--- a/thirdparty/icu4c/common/rbbidata.h
+++ b/thirdparty/icu4c/common/rbbidata.h
@@ -171,7 +171,7 @@ public:
     void                  init(const RBBIDataHeader *data, UErrorCode &status);
     RBBIDataWrapper      *addReference();
     void                  removeReference();
-    UBool                 operator ==(const RBBIDataWrapper &other) const;
+    bool                  operator ==(const RBBIDataWrapper &other) const;
     int32_t               hashCode();
     const UnicodeString  &getRuleSourceString() const;
     void                  printData();