Index: b/src/estream.c
===================================================================
--- b/src/estream.c
+++ b/src/estream.c
@@ -2671,6 +2671,7 @@
               else
                 goto out;
             }
+          stream->flags.writing = 1;
         }
     }
 
@@ -2693,9 +2694,6 @@
 
   if (bytes_written)
     *bytes_written = data_written;
-  if (data_written)
-    if (!stream->flags.writing)
-      stream->flags.writing = 1;
 
   return err;
 }