diff --git a/external/qt/CMakeLists.txt b/external/qt/CMakeLists.txt
index 4569a4e..9b08653 100644
--- a/external/qt/CMakeLists.txt
+++ b/external/qt/CMakeLists.txt
@@ -27,6 +27,7 @@ if (DESKTOP_APP_USE_PACKAGED)
     INTERFACE
         ${Qt5Core_PRIVATE_INCLUDE_DIRS}
         ${Qt5Gui_PRIVATE_INCLUDE_DIRS}
+        ${Qt5Widgets_PRIVATE_INCLUDE_DIRS}
     )
 
     if (Qt5DBus_FOUND)