diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
index f80a60539a96..df39868d7e6a 100644
--- a/drivers/hid/hid-roccat-koneplus.c
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -523,6 +523,9 @@ static int koneplus_raw_event(struct hid_device *hdev,
 	if (koneplus == NULL)
 		return 0;
 
+	if (size < sizeof(struct koneplus_mouse_report_button))
+		return 0;
+
 	koneplus_keep_values_up_to_date(koneplus, data);
 
 	if (koneplus->roccat_claimed)