diff --git a/src/net/torvald/terrarum/DefaultConfig.kt b/src/net/torvald/terrarum/DefaultConfig.kt
index 825bab737..6e3a4aaf0 100644
--- a/src/net/torvald/terrarum/DefaultConfig.kt
+++ b/src/net/torvald/terrarum/DefaultConfig.kt
@@ -82,7 +82,7 @@ object DefaultConfig {
 
         jsonObject.addProperty("fullframelightupdate", false)
 
-        jsonObject.addProperty("useamericanunit", false) // Metric Masterrace -- Filthy imperials.
+        jsonObject.addProperty("temperatureunit", 1) // -1: american, 0: kelvin, 1: celcius
 
 
         // "fancy" graphics settings
diff --git a/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt b/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt
index ebe3d3273..d19baf2a6 100644
--- a/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt
+++ b/src/net/torvald/terrarum/modulebasegame/ui/UIBasicNotifier.kt
@@ -82,11 +82,14 @@ class UIBasicNotifier(private val player: ActorHumanoid?) : UICanvas() {
 
         sb.append(temperature.abs())
 
-        if (Terrarum.getConfigBoolean("useamericanunit")) {
+        if (Terrarum.getConfigInt("temperatureunit") == 1) {
+            sb.append('"') // celsius superscript
+        }
+        else if (Terrarum.getConfigInt("temperatureunit") == -1) {
             sb.append('#') // fahrenheit subscript
         }
         else {
-            sb.append('"') // celsius superscript
+            sb.append(' ') // display nothing for kelvin
         }
 
         return sb.toString()