diff --git a/pgpainless-sop/src/main/kotlin/org/pgpainless/sop/KeyReader.kt b/pgpainless-sop/src/main/kotlin/org/pgpainless/sop/KeyReader.kt
index 0931a3a5..2ce608ca 100644
--- a/pgpainless-sop/src/main/kotlin/org/pgpainless/sop/KeyReader.kt
+++ b/pgpainless-sop/src/main/kotlin/org/pgpainless/sop/KeyReader.kt
@@ -49,7 +49,7 @@ class KeyReader {
         ): PGPPublicKeyRingCollection {
             val certs =
                 try {
-                    PGPainless.readKeyRing().keyRingCollection(certIn, false)
+                    PGPainless.readKeyRing().keyRingCollection(certIn, true)
                 } catch (e: IOException) {
                     if (e.message == null) {
                         throw e