diff --git a/src/Main.vala b/src/Main.vala
index d4b185d7..a409d966 100644
--- a/src/Main.vala
+++ b/src/Main.vala
@@ -176,13 +176,13 @@ namespace Gala
 		 **/
 		public void set_input_area (InputArea area)
 		{
-			X.Rectangle rect;
+			X.Xrectangle rect;
 			int width, height;
 			screen.get_size (out width, out height);
 			
 			switch (area) {
 				case InputArea.FULLSCREEN:
-					rect = {0, 0, (short)width, (short)height};
+					rect = {0, 0, (ushort)width, (ushort)height};
 					break;
 				case InputArea.HOT_CORNER: //leave one pix in the bottom left
 					rect = {(short)(width - 1), (short)(height - 1), 1, 1};
diff --git a/vapi/xfixes-4.0.vapi b/vapi/xfixes-4.0.vapi
index cd3652ed..3cbcfc76 100644
--- a/vapi/xfixes-4.0.vapi
+++ b/vapi/xfixes-4.0.vapi
@@ -5,7 +5,7 @@
 namespace X {
 	namespace Fixes {
 		[CCode (cheader_filename = "X11/extensions/Xfixes.h", cname = "XFixesCreateRegion")]
-		public static X.XserverRegion create_region (X.Display display, [CCode (array_length = true)] X.Rectangle[] rectangles);
+		public static X.XserverRegion create_region (X.Display display, [CCode (array_length = true)] X.Xrectangle[] rectangles);
 		[CCode (cheader_filename = "X11/extensions/Xfixes.h", cname = "XFixesDestroyRegion")]
 		public static void destroy_region (X.Display display, X.XserverRegion region);
 	}
@@ -13,4 +13,12 @@ namespace X {
 	[CCode (cheader_filename = "X11/extensions/Xfixes.h", cname = "XserverRegion", has_type_id = false)]
 	public struct XserverRegion {
 	}
+	[SimpleType]
+	[CCode (cheader_filename = "X11/Xlib.h", cname = "XRectangle", has_type_id = false)]
+	public struct Xrectangle {
+		public short x;
+		public short y;
+		public ushort width;
+		public ushort height;
+	}
 }