diff --git a/messagecomposer/src/job/signencryptjob.cpp b/messagecomposer/src/job/signencryptjob.cpp
--- a/messagecomposer/src/job/signencryptjob.cpp
+++ b/messagecomposer/src/job/signencryptjob.cpp
@@ -209,7 +209,7 @@
 
     QByteArray signatureHashAlgo = res.first.createdSignature(0).hashAlgorithmAsString();
 
-    d->resultContent = MessageComposer::Util::composeHeadersAndBody(d->content, encBody, d->format, true, signatureHashAlgo);
+    d->resultContent = MessageComposer::Util::composeHeadersAndBody(d->content, encBody, d->format, false, signatureHashAlgo);
 
     emitResult();
 }