diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c
index 679136933560..cfd86267e35b 100644
--- a/drivers/hid/hid-roccat-savu.c
+++ b/drivers/hid/hid-roccat-savu.c
@@ -182,6 +182,9 @@ static int savu_raw_event(struct hid_device *hdev,
 	if (savu == NULL)
 		return 0;
 
+	if (size < sizeof(struct savu_mouse_report_special))
+		return 0;
+
 	if (savu->roccat_claimed)
 		savu_report_to_chrdev(savu, data);