diff --git a/gdk/Makefile.am b/gdk/Makefile.am
index 3fcc35cd99..6444eca84b 100644
--- a/gdk/Makefile.am
+++ b/gdk/Makefile.am
@@ -208,7 +208,9 @@ Gdk_3_0_gir_FILES = $(introspection_files)
 Gdk_3_0_gir_CFLAGS = $(AM_CPPFLAGS)
 Gdk_3_0_gir_EXPORT_PACKAGES = gdk-3.0
 INTROSPECTION_GIRS += Gdk-3.0.gir
-
+if OS_WIN32
+Gdk_3_0_gir_CFLAGS += -I$(srcdir)/win32 -I$(srcdir)
+endif
 if USE_X11
 x11_introspection_files = 		\
 	x11/gdkapplaunchcontext-x11.c	\
@@ -271,6 +273,53 @@ INTROSPECTION_GIRS += GdkX11-3.0.gir
 
 endif # USE_X11
 
+if OS_WIN32
+w32_introspection_files =		\
+	win32/gdkcursor-win32.c		\
+	win32/gdkdevicemanager-win32.c	\
+	win32/gdkdevice-virtual.c	\
+	win32/gdkdevice-win32.c		\
+	win32/gdkdevice-wintab.c	\
+	win32/gdkdisplaymanager-win32.c	\
+	win32/gdkdisplay-win32.c	\
+	win32/gdkdnd-win32.c		\
+	win32/gdkevents-win32.c		\
+	win32/gdkgeometry-win32.c	\
+	win32/gdkglobals-win32.c	\
+	win32/gdkinput.c		\
+	win32/gdkkeys-win32.c		\
+	win32/gdkmain-win32.c		\
+	win32/gdkproperty-win32.c	\
+	win32/gdkscreen-win32.c		\
+	win32/gdkselection-win32.c	\
+	win32/gdktestutils-win32.c	\
+	win32/gdkvisual-win32.c		\
+	win32/gdkwin32.h		\
+	win32/gdkwin32cursor.h		\
+	win32/gdkwin32display.h		\
+	win32/gdkwin32displaymanager.h	\
+	win32/gdkwin32dnd.h		\
+	win32/gdkwin32id.c		\
+	win32/gdkwin32keys.h		\
+	win32/gdkwin32misc.h		\
+	win32/gdkwin32screen.h		\
+	win32/gdkwin32window.h		\
+	win32/gdkwindow-win32.c
+
+
+GdkWin32-3.0.gir: libgdk-3.la Gdk-3.0.gir Makefile
+GdkWin32_3_0_gir_SCANNERFLAGS = \
+	--identifier-prefix=Gdk		\
+	--c-include="gdk/gdkwin32.h"	\
+	--include-uninstalled=$(top_builddir)/gdk/Gdk-3.0.gir
+GdkWin32_3_0_gir_INCLUDES = Gio-2.0 GdkPixbuf-2.0 Pango-1.0
+GdkWin32_3_0_gir_LIBS = libgdk-3.la
+GdkWin32_3_0_gir_FILES = $(w32_introspection_files)
+GdkWin32_3_0_gir_CFLAGS = $(AM_CPPFLAGS) -L$(top_builddir)/gdk -I$(srcdir)/win32 -I$(srcdir)
+INTROSPECTION_GIRS += GdkWin32-3.0.gir
+
+endif # OS_WIN32
+
 girdir = $(datadir)/gir-1.0
 gir_DATA = $(INTROSPECTION_GIRS)