diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index f6f882d..3234c72 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -165,6 +165,8 @@
 			 * to emit a normal (X, Y) position
 			 */
 			if (!nd->reading_mt) {
+				input_report_key(input, BTN_TOOL_DOUBLETAP,
+						 (nd->confidence != 0));
 				input_event(input, EV_ABS, ABS_X, nd->x);
 				input_event(input, EV_ABS, ABS_Y, nd->y);
 			}