diff --git a/common/src/main/java/toughasnails/temperature/TemperatureHelperImpl.java b/common/src/main/java/toughasnails/temperature/TemperatureHelperImpl.java
index 3f296db6..9c05cfb4 100644
--- a/common/src/main/java/toughasnails/temperature/TemperatureHelperImpl.java
+++ b/common/src/main/java/toughasnails/temperature/TemperatureHelperImpl.java
@@ -147,7 +147,7 @@ private static TemperatureLevel getBiomeTemperatureLevel(Level level, BlockPos p
         Holder<Biome> biome = level.getBiome(pos);
         float biomeTemperature = biome.value().getBaseTemperature();
 
-        if (!biome.is(BiomeTags.IS_OVERWORLD) || (pos.getY() > ModConfig.temperature.environmentalModifierAltitude || level.canSeeSky(pos)))
+        if (!level.dimensionType().natural() || (pos.getY() > ModConfig.temperature.environmentalModifierAltitude || level.canSeeSky(pos)))
         {
             if (biome.is(ModTags.Biomes.ICY_BIOMES)) return TemperatureLevel.ICY;
             else if (biome.is(ModTags.Biomes.COLD_BIOMES)) return TemperatureLevel.COLD;
diff --git a/forge/src/main/java/toughasnails/forge/init/ModCompatibility.java b/forge/src/main/java/toughasnails/forge/init/ModCompatibility.java
index 9e1750b4..e7061930 100644
--- a/forge/src/main/java/toughasnails/forge/init/ModCompatibility.java
+++ b/forge/src/main/java/toughasnails/forge/init/ModCompatibility.java
@@ -40,7 +40,7 @@ private static TemperatureLevel seasonModifier(Level level, BlockPos pos, Temper
         Holder<Biome> biome = level.getBiome(pos);
 
         // Only adjust if above the environmental modifier altitude
-        if (biome.is(BiomeTags.IS_OVERWORLD) && pos.getY() <= ModConfig.temperature.environmentalModifierAltitude && !level.canSeeSky(pos))
+        if (level.dimensionType().natural() && pos.getY() <= ModConfig.temperature.environmentalModifierAltitude && !level.canSeeSky(pos))
             return current;
 
         // Check if biome uses seasonal effects