From 8ad08d6b04813735fdbb60818d37f629c6be8953 Mon Sep 17 00:00:00 2001
From: Andrea Maria Piana <andrea.maria.piana@gmail.com>
Date: Tue, 29 Aug 2023 12:53:39 +0100
Subject: [PATCH] Check nils when deliting subscription (#691)

---
 waku/v2/protocol/filter/client.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/waku/v2/protocol/filter/client.go b/waku/v2/protocol/filter/client.go
index 6f59c655..f2787269 100644
--- a/waku/v2/protocol/filter/client.go
+++ b/waku/v2/protocol/filter/client.go
@@ -379,7 +379,7 @@ func (wf *WakuFilterLightNode) Unsubscribe(ctx context.Context, contentFilter Co
 	localWg.Wait()
 	close(resultChan)
 	for _, peerID := range peersUnsubscribed {
-		if len(wf.subscriptions.items[peerID].subscriptionsPerTopic) == 0 {
+		if wf.subscriptions != nil && wf.subscriptions.items != nil && wf.subscriptions.items[peerID] != nil && len(wf.subscriptions.items[peerID].subscriptionsPerTopic) == 0 {
 			delete(wf.subscriptions.items, peerID)
 		}
 	}