diff --git a/.gitignore b/.gitignore
index 40db714..18d5539 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 wlancfg.lua
 config.lua
+simulation.config.lua
 *.swp
 unit/testTimesMarchOctoberWithAllSeconds.lua
diff --git a/simulation/config.lua b/simulation/config.lua
index 4b24281..239fe4c 100644
--- a/simulation/config.lua
+++ b/simulation/config.lua
@@ -13,3 +13,9 @@ sntpserverhostname="ptbtime1.ptb.de"
 timezoneoffset=1
 mqttServer="192.168.1.1"
 mqttPrefix="test"
+
+if (file.open("simulation.config.lua")) then
+  dofile("simulation.config.lua")
+else
+  print("Default configuration, used")
+end