diff --git a/Makefile.am b/Makefile.am
index 2cde59c7..bf1e2667 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -115,7 +115,8 @@ EXTRA_DIST +=					\
 	vapi/libpeas-1.0.vapi			\
 	vapi/libsoup-2.4.deps			\
 	vapi/libsoup-2.4.vapi			\
-	vapi/gitg-platform-support.vapi
+	vapi/gitg-platform-support.vapi		\
+	vapi/gio-windows-2.0.vapi
 
 %.typelib: %.gir
 	$(INTROSPECTION_COMPILER) $(INTROSPECTION_COMPILER_ARGS) --includedir=$(top_srcdir) -o $@ $<
diff --git a/vapi/gio-windows-2.0.vapi b/vapi/gio-windows-2.0.vapi
new file mode 100644
index 00000000..39c9da28
--- /dev/null
+++ b/vapi/gio-windows-2.0.vapi
@@ -0,0 +1,21 @@
+[CCode (cprefix = "G", lower_case_cprefix = "g_")]
+namespace GLib {
+	[CCode (cheader_filename = "gio/gwin32inputstream.h")]
+	public class Win32InputStream : GLib.InputStream {
+		[CCode (has_construct_function = false, type = "GInputStream*")]
+		public Win32InputStream (int handle, bool close_fd);
+		public bool get_close_handle ();
+		public void set_close_handle (bool close_fd);
+		public bool close_handle { get; set; }
+		public int handle { get; construct; }
+	}
+	[CCode (cheader_filename = "gio/gwin32outputstream.h")]
+	public class Win32OutputStream : GLib.OutputStream {
+		[CCode (has_construct_function = false, type = "GOutputStream*")]
+		public Win32OutputStream (int handle, bool close_fd);
+		public bool get_close_handle ();
+		public void set_close_handle (bool close_fd);
+		public bool close_handle { get; set; }
+		public int handle { get; construct; }
+	}
+}