diff --git a/pyproject.toml b/pyproject.toml
index 76a6461..027d09d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ tag-prefix = "QtAds"
 define-macros = ["ADS_SHARED_EXPORT"]
 sip-file = "ads.sip"
 include-dirs = ["src"]
-qmake-QT = ["widgets"]
+qmake-QT = ["widgets", "gui-private; platform_system == 'Linux'"]
 headers = [
     "src/AutoHideDockContainer.h",
     "src/AutoHideSideBar.h",
@@ -46,7 +46,7 @@ headers = [
     "src/PushButton.h",
     "src/ResizeHandle.h",
 	"src/ads_globals.h",
-	# "src/linux/FloatingWidgetTitleBar.h",
+	"src/linux/FloatingWidgetTitleBar.h; platform_system == 'Linux'",
 ]
 sources = [
     "src/AutoHideTab.cpp",
@@ -71,5 +71,5 @@ sources = [
 	"src/PushButton.cpp",
 	"src/ResizeHandle.cpp",
 	"src/ads_globals.cpp",
-	# "src/linux/FloatingWidgetTitleBar.cpp",
+	"src/linux/FloatingWidgetTitleBar.h; platform_system == 'Linux'",
 ]