diff --git a/src/libei-device.c b/src/libei-device.c
index 9c3f777..b8ca54e 100644
--- a/src/libei-device.c
+++ b/src/libei-device.c
@@ -1482,6 +1482,11 @@ ei_device_scroll_discrete(struct ei_device *device, int32_t x, int32_t y)
 		return;
 	}
 
+	if (abs(x) == 1 || abs(y) == 1) {
+		log_bug_client(ei_device_get_context(device),
+			       "%s: suspicious discrete event value 1, did you mean 120?", __func__);
+	}
+
 	ei_device_resume_scrolling(device, x, y);
 
 	ei_send_pointer_scroll_discrete(device, x, y);
diff --git a/src/libeis-device.c b/src/libeis-device.c
index 03e35bc..6302b58 100644
--- a/src/libeis-device.c
+++ b/src/libeis-device.c
@@ -1158,6 +1158,11 @@ eis_device_scroll_discrete(struct eis_device *device, int32_t x, int32_t y)
 	if (device->state != EIS_DEVICE_STATE_EMULATING)
 		return;
 
+	if (abs(x) == 1 || abs(y) == 1) {
+		log_bug_client(eis_device_get_context(device),
+			       "%s: suspicious discrete event value 1, did you mean 120?", __func__);
+	}
+
 	eis_device_resume_scrolling(device, x, y);
 
 	device->send_frame_event = true;