diff --git a/control.lua b/control.lua
index bf33690..c20a54d 100644
--- a/control.lua
+++ b/control.lua
@@ -6,7 +6,7 @@ require("power-stats")
 require("logistic-network-stats")
 
 tickInterval = tonumber(settings.global["factorio-metrics-exporter-tick-interval"].value) or 300
-udpAddress = tonumber(settings.startup["factorio-metrics-exporter-udp-address"].value) or 52555
+udpAddress = 52555
 isInitialized = false
 sendIndex = 0
 
diff --git a/factorio-metrics-exporter_0.1.1.zip b/factorio-metrics-exporter_0.1.1.zip
new file mode 100644
index 0000000..c2fb734
Binary files /dev/null and b/factorio-metrics-exporter_0.1.1.zip differ
diff --git a/factorio-metrics-exporter_0.1.2.zip b/factorio-metrics-exporter_0.1.2.zip
new file mode 100644
index 0000000..2a649dd
Binary files /dev/null and b/factorio-metrics-exporter_0.1.2.zip differ
diff --git a/info.json b/info.json
index 50997ee..2761614 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
   "name": "factorio-metrics-exporter",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "title": "Prometheus Metrics Exporter",
   "author": "Jan Grießhaber",
   "contact": "jan@griesshaber.systems",
diff --git a/research-stats.lua b/research-stats.lua
index bd055de..37e65d8 100644
--- a/research-stats.lua
+++ b/research-stats.lua
@@ -55,8 +55,8 @@ function UpdateLabInfos()
                     else
                         labBase = labBaseSpeed
                     end
-                    local labSpeed = (labBase + (labBase * game.forces["player"].laboratory_speed_modifier)) * lab.effects.speed
-                    totalSpeed = totalSpeed + (labSpeed* (1+lab.effects.productivity))
+                    local labSpeed = (labBase + (labBase * game.forces["player"].laboratory_speed_modifier)) * (lab.effects.speed or 1)
+                    totalSpeed = totalSpeed + (labSpeed* (1+(lab.effects.productivity or 0)))
                     --local labSpeed = labBaseSpeed * lab.effects.speed
                 end
             end