diff --git a/src/modules/shellfilter-999999.0a1.0.tm b/src/modules/shellfilter-999999.0a1.0.tm
index c714ee5c..ef2ce3a8 100644
--- a/src/modules/shellfilter-999999.0a1.0.tm
+++ b/src/modules/shellfilter-999999.0a1.0.tm
@@ -3185,6 +3185,8 @@ namespace eval shellfilter {
                     #set newbytes [encoding convertto utf-16 $stringrep]
                     #puts -nonewline $outchan $newbytes
                     puts -nonewline $outchan $outchunk
+                    #jmn test 2025
+                    flush $outchan
                 }
             }