Index: xfce4-settings-helper/pointers.c
===================================================================
--- xfce4-settings-helper/pointers.c	(revision 29983)
+++ xfce4-settings-helper/pointers.c	(working copy)
@@ -42,8 +42,8 @@
 
 #define MAX_DENOMINATOR (100.00)
 
-/* test if the required version of inputproto (1.4.2) is available */
-#if XI_Add_DevicePresenceNotify_Major >= 1 && defined (DeviceRemoved)
+/* test if the required version of inputproto (1.5.0) is available */
+#if (XI_Add_DevicePresenceNotify_Major == 1 && XI_Add_DeviceProperties_Minor >= 5) || XI_Add_DevicePresenceNotify_Major > 1
 #define HAS_DEVICE_HOTPLUGGING
 #else
 #undef HAS_DEVICE_HOTPLUGGING