diff --git a/pgpainless-core/src/main/kotlin/org/pgpainless/util/selection/userid/SelectUserId.kt b/pgpainless-core/src/main/kotlin/org/pgpainless/util/selection/userid/SelectUserId.kt
index 6613abde..00bc3984 100644
--- a/pgpainless-core/src/main/kotlin/org/pgpainless/util/selection/userid/SelectUserId.kt
+++ b/pgpainless-core/src/main/kotlin/org/pgpainless/util/selection/userid/SelectUserId.kt
@@ -83,11 +83,7 @@ abstract class SelectUserId : Predicate<String>, (String) -> Boolean {
 
         @JvmStatic
         fun validUserId(keyRing: PGPKeyRing) =
-            object : SelectUserId() {
-                private val info = PGPainless.inspectKeyRing(keyRing)
-
-                override fun invoke(userId: String): Boolean = info.isUserIdValid(userId)
-            }
+            validUserId(PGPainless.getInstance().toCertificate(keyRing))
 
         @JvmStatic
         fun and(vararg filters: SelectUserId) =