diff --git a/Doxyfile.in b/Doxyfile.in
--- a/Doxyfile.in
+++ b/Doxyfile.in
@@ -292,8 +292,8 @@ PREDEFINED             = WITH_ZLIB \
                          WITH_PNG \
                          WITH_FONTCONFIG \
                          WITH_FREETYPE \
+                         WITH_HARFBUZZ \
                          WITH_ICU_I18N \
-                         WITH_ICU_LX \
                          UNICODE \
                          _UNICODE \
                          _GNU_SOURCE \