diff --git a/webbuild/webbuild-functions-private b/webbuild/webbuild-functions-private
index e857ee2..6025b23 100644
--- a/webbuild/webbuild-functions-private
+++ b/webbuild/webbuild-functions-private
@@ -51,7 +51,7 @@ function showlog() {
       echo -n "<pre>"
       if [ "$LOGTYPE" = "processtail" ]; then
          echo -n "<!-- SCROLL -->"
-         tail -n +0 -f $f --pid $PROCESSPID | sed "s|<|\&lt;|g"
+         tail -n +0 -f $f --pid $PROCESSPID | stdbuf -oL sed "s|<|\&lt;|g"
          echo -n "<!-- ENDSCROLL -->"
       else
          if [ $LOGFILESIZE -lt 524288 ]; then