diff --git a/resources/lua/intf/syncplay.lua b/resources/lua/intf/syncplay.lua
index 1e80cdf..3124301 100644
--- a/resources/lua/intf/syncplay.lua
+++ b/resources/lua/intf/syncplay.lua
@@ -448,7 +448,7 @@ while running == true do
         
         -- handle write mode
         
-        if (responsebuffer) then
+        if (responsebuffer and running == true) then
             vlc.net.send( fd, responsebuffer )
             responsebuffer = ""
         end