diff --git a/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java b/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java
index b9ead7e7..dd8cf0e2 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/decryption_verification/OpenPgpMessageInputStream.java
@@ -712,6 +712,7 @@ public class OpenPgpMessageInputStream extends DecryptionStream {
     public int read() throws IOException {
         if (nestedInputStream == null) {
             if (packetInputStream != null) {
+                syntaxVerifier.next(InputSymbol.EndOfSequence);
                 syntaxVerifier.assertValid();
             }
             return -1;