diff --git a/inputClient.lua b/inputClient.lua
index e676192..2a06ffa 100644
--- a/inputClient.lua
+++ b/inputClient.lua
@@ -257,7 +257,7 @@ function respond_print(options, name)
     -- generate messages in buffer
     execute_funcs(system.width, system.main, buffer, name)
     -- transmit messages in form of buffer
-    transmit_messages(options, buffer)
+    if #buffer > 0 then transmit_messages(options, buffer) end
 end
 
 function event_listener(options)
@@ -273,7 +273,7 @@ function event_listener(options)
 end
 
 function execute_funcs(width, component, buffer, name)
-    for key, func in ipairs(system.funcs) do
+    for key, func in pairs(system.funcs) do
         if type(func) == "function" and key == name then
             func(width, component, buffer)
         end