diff --git a/configure.ac b/configure.ac
index 12545e260..575c1ec08 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1466,7 +1466,7 @@ AC_ARG_ENABLE(optimization,
    AC_HELP_STRING([--disable-optimization],
                   [disable compiler optimization]),
                   [if test $enableval = no ; then
-                      CFLAGS=`echo $CFLAGS | sed s%-O[[1-9]]%-O0\ %g`
+                      CFLAGS=`echo $CFLAGS | sed s/-O[[1-9]]\ /-O0\ /g`
                    fi])
 
 #
diff --git a/g10/parse-packet.c b/g10/parse-packet.c
index 42d680ac5..d43ab2cba 100644
--- a/g10/parse-packet.c
+++ b/g10/parse-packet.c
@@ -967,7 +967,7 @@ parse_pubkeyenc (IOBUF inp, int pkttype, unsigned long pktlen,
 			es_fprintf (listfp, "\tdata: ");
 			mpi_print(listfp, k->data[0], mpi_print_mode );
 			es_putc ('\n', listfp);
-			es_fprintf (listfp, "\tdata: [% 3d bytes] ", encr_buf[0]);
+			es_fprintf (listfp, "\tdata: [% 3d bytes] ", encr_buf[0]+1);
 			mpi_print(listfp, k->data[1], mpi_print_mode );
 			es_putc ('\n', listfp);
 		}