diff --git a/headers/os/app/Application.h b/headers/os/app/Application.h
index df33e987bd..b206e28890 100644
--- a/headers/os/app/Application.h
+++ b/headers/os/app/Application.h
@@ -137,8 +137,8 @@ private:
 	static	BResources*			sAppResources;
 
 			const char*			fAppName;
-			BPrivate::PortLink*	fServerLink;
-			BPrivate::ServerMemoryAllocator* fServerAllocator;
+			::BPrivate::PortLink*	fServerLink;
+			::BPrivate::ServerMemoryAllocator* fServerAllocator;
 
 			void*				fCursorData;
 			bigtime_t			fPulseRate;
diff --git a/headers/os/interface/View.h b/headers/os/interface/View.h
index 39e1e6aaf0..190b1b8930 100644
--- a/headers/os/interface/View.h
+++ b/headers/os/interface/View.h
@@ -710,7 +710,7 @@ private:
 			bool				fAttached;
 			bool				_unused_bool1;
 			bool				_unused_bool2;
-			BPrivate::ViewState* fState;
+			::BPrivate::ViewState* fState;
 			BRect				fBounds;
 			BShelf*				fShelf;
 			uint32				fEventMask;
diff --git a/headers/os/interface/Window.h b/headers/os/interface/Window.h
index 3be13e99a4..6fe2f949bc 100644
--- a/headers/os/interface/Window.h
+++ b/headers/os/interface/Window.h
@@ -394,7 +394,7 @@ private:
 			window_look			fLook;
 			window_feel			fFeel;
 			int32				fLastViewToken;
-			BPrivate::PortLink*	fLink;
+			::BPrivate::PortLink* fLink;
 			BMessageRunner*		fPulseRunner;
 			BRect				fPreviousFrame;