diff --git a/src/evdev-touchpad.c b/src/evdev-touchpad.c
index 600df073..aa9df62c 100644
--- a/src/evdev-touchpad.c
+++ b/src/evdev-touchpad.c
@@ -493,7 +493,7 @@ touchpad_update_state(struct touchpad_dispatch *touchpad, uint32_t time)
 			touchpad->device->rel.dx = wl_fixed_from_double(dx);
 			touchpad->device->rel.dy = wl_fixed_from_double(dy);
 			touchpad->device->pending_events |=
-				EVDEV_RELATIVE_MOTION | EVDEV_SYN;
+				EVDEV_RELATIVE_MOTION | EVDEV_SYN_OR_SLOT;
 		} else if (touchpad->finger_state == TOUCHPAD_FINGERS_TWO) {
 			if (dx != 0.0)
 				notify_axis(touchpad->device->seat,
diff --git a/src/evdev.c b/src/evdev.c
index 2367d56b..3ccdd3ca 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -110,6 +110,7 @@ evdev_process_touch(struct evdev_device *device, struct input_event *e)
 	switch (e->code) {
 	case ABS_MT_SLOT:
 		device->mt.slot = e->value;
+		device->pending_events |= EVDEV_SYN_OR_SLOT;
 		break;
 	case ABS_MT_TRACKING_ID:
 		if (e->value >= 0)
@@ -261,11 +262,11 @@ evdev_flush_motion(struct evdev_device *device, uint32_t time)
        int32_t cx, cy;
        int slot;
 
-       if (!(device->pending_events & EVDEV_SYN))
+       if (!(device->pending_events & EVDEV_SYN_OR_SLOT))
 		return;
 
 	slot = device->mt.slot;
-	device->pending_events &= ~EVDEV_SYN;
+	device->pending_events &= ~EVDEV_SYN_OR_SLOT;
 	if (device->pending_events & EVDEV_RELATIVE_MOTION) {
 		notify_motion(master, time, device->rel.dx, device->rel.dy);
 		device->pending_events &= ~EVDEV_RELATIVE_MOTION;
@@ -332,7 +333,7 @@ fallback_process(struct evdev_dispatch *dispatch,
 		evdev_process_key(device, event, time);
 		break;
 	case EV_SYN:
-		device->pending_events |= EVDEV_SYN;
+		device->pending_events |= EVDEV_SYN_OR_SLOT;
 		break;
 	}
 }
diff --git a/src/evdev.h b/src/evdev.h
index 524fa229..7edcce6e 100644
--- a/src/evdev.h
+++ b/src/evdev.h
@@ -36,7 +36,7 @@ enum evdev_event_type {
 	EVDEV_ABSOLUTE_MT_MOTION = (1 << 2),
 	EVDEV_ABSOLUTE_MT_UP = (1 << 3),
 	EVDEV_RELATIVE_MOTION = (1 << 4),
-	EVDEV_SYN = (1 << 5),
+	EVDEV_SYN_OR_SLOT = (1 << 5),
 };
 
 enum evdev_device_capability {