diff --git a/pgpainless-core/src/main/java/org/pgpainless/util/PGPUtilWrapper.java b/pgpainless-core/src/main/java/org/pgpainless/util/PGPUtilWrapper.java
index c01dd03d..dd95a3bc 100644
--- a/pgpainless-core/src/main/java/org/pgpainless/util/PGPUtilWrapper.java
+++ b/pgpainless-core/src/main/java/org/pgpainless/util/PGPUtilWrapper.java
@@ -27,7 +27,6 @@ public final class PGPUtilWrapper {
      * @throws IOException in case of an io error which is unrelated to base64 encoding
      */
     public static InputStream getDecoderStream(BufferedInputStream buf) throws IOException {
-        buf.mark(512);
         try {
             return PGPUtil.getDecoderStream(buf);
         } catch (IOException e) {