1 files changed, 3 insertions, 0 deletions
diff --git a/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp b/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp
index ddbbac20..68c97f87 100644
--- a/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp
+++ b/lang/qt/src/qgpgmedecryptverifyarchivejob.cpp
@@ -92,6 +92,9 @@ static QGpgMEDecryptVerifyArchiveJob::result_type decrypt_verify(Context *ctx,
 
     QGpgME::QIODeviceDataProvider in{cipherText};
     Data indata(&in);
+    if (!cipherText->isSequential()) {
+        indata.setSizeHint(cipherText->size());
+    }
 
     Data outdata;
     if (!outputDirectory.isEmpty()) {