1 files changed, 1 insertions, 2 deletions
diff --git a/g10/cipher.c b/g10/cipher.c
index c1cf226a8..6f89e6bc3 100644
--- a/g10/cipher.c
+++ b/g10/cipher.c
@@ -64,10 +64,9 @@ write_header( cipher_filter_context_t *cfx, IOBUF a )
     if (opt.force_mdc)
         use_mdc = 1;
         
-    if( opt.rfc2440 || opt.rfc1991 )
+    if( opt.rfc2440 || opt.rfc1991 || opt.disable_mdc )
 	use_mdc = 0;  /* override - rfc2440 does not know about MDC */
 
-
     memset( &ed, 0, sizeof ed );
     ed.len = cfx->datalen;
     ed.extralen = blocksize+2;