diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index 0aca859c88cb..5752887c2884 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -110,7 +110,7 @@ static bool is_supervision_frame(struct hsr_priv *hsr, struct sk_buff *skb)
 	}
 
 	/* end of tlvs must follow at the end */
-	if (hsr_sup_tlv->HSR_TLV_type == HSR_TLV_EOT &&
+	if (hsr_sup_tlv->HSR_TLV_type != HSR_TLV_EOT ||
 	    hsr_sup_tlv->HSR_TLV_length != 0)
 		return false;