diff --git a/external/fcitx5_qt5/CMakeLists.txt b/external/fcitx5_qt5/CMakeLists.txt
index 128e0a1..e2e9517 100644
--- a/external/fcitx5_qt5/CMakeLists.txt
+++ b/external/fcitx5_qt5/CMakeLists.txt
@@ -24,6 +24,12 @@ else()
     PRIVATE
         qfcitxplatforminputcontext.cpp
         qfcitxplatforminputcontext.h
+        fcitxcandidatewindow.cpp
+        fcitxcandidatewindow.h
+        fcitxtheme.cpp
+        fcitxtheme.h
+        font.cpp
+        font.h
         qtkey.cpp
         main.cpp
         main.h