diff --git a/tools/qt/simulator/third_party/harfbuzz/harfbuzz.pro b/tools/qt/simulator/third_party/harfbuzz/harfbuzz.pro
index 9ba375a9e80844ad1d13e2af151c808489f19adc..7b888b24f86578c3b194fba87a068e371b9bbd57 100755
--- a/tools/qt/simulator/third_party/harfbuzz/harfbuzz.pro
+++ b/tools/qt/simulator/third_party/harfbuzz/harfbuzz.pro
@@ -48,6 +48,7 @@ SOURCES += \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-indic.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-khmer.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-myanmar.cc \
+    ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-syllabic.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-thai.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-use.cc \
     ../../../../../../../../third_party/harfbuzz/src/hb-ot-shape-complex-vowel-constraints.cc \