diff --git a/filter.js b/filter.js
index 9ad2b65..f17a48b 100644
--- a/filter.js
+++ b/filter.js
@@ -1,6 +1,6 @@
 export function matchFilter(filter, event) {
-  if (filter.ids && filter.ids.indexOf(event.id) !== -1) return false
-  if (filter.kinds && filter.kinds.indexOf(event.kind) !== -1) return false
+  if (filter.ids && filter.ids.indexOf(event.id) === -1) return false
+  if (filter.kinds && filter.kinds.indexOf(event.kind) === -1) return false
   if (filter.authors && filter.authors.indexOf(event.pubkey) === -1)
     return false
 
diff --git a/package.json b/package.json
index 4c73c0c..116fb4a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.16.0",
+  "version": "0.16.1",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",