diff --git a/filter.ts b/filter.ts
index 424e2c2..46e2203 100644
--- a/filter.ts
+++ b/filter.ts
@@ -14,15 +14,13 @@ export type Filter = {
 
 export function matchFilter(filter: Filter, event: Event): boolean {
   if (filter.ids && filter.ids.indexOf(event.id) === -1) {
-    if (!filter.ids.some(prefix => event.id.startsWith(prefix))) {
-      return false
-    }
+    return false
+  }
+  if (filter.kinds && filter.kinds.indexOf(event.kind) === -1) {
+    return false
   }
-  if (filter.kinds && filter.kinds.indexOf(event.kind) === -1) return false
   if (filter.authors && filter.authors.indexOf(event.pubkey) === -1) {
-    if (!filter.authors.some(prefix => event.pubkey.startsWith(prefix))) {
-      return false
-    }
+    return false
   }
 
   for (let f in filter) {