diff --git a/src/main/java/com/github/thedeathlycow/frostiful/survival/AmbientTemperatureController.java b/src/main/java/com/github/thedeathlycow/frostiful/survival/AmbientTemperatureController.java
index 72ec3276..7fe07d2d 100644
--- a/src/main/java/com/github/thedeathlycow/frostiful/survival/AmbientTemperatureController.java
+++ b/src/main/java/com/github/thedeathlycow/frostiful/survival/AmbientTemperatureController.java
@@ -83,7 +83,7 @@ private int getNaturalWorldTemperatureChange(World world, BlockPos pos) {
         int temp = category.getTemperatureChange(world);
         if (temp < 0) {
             if (FrostifulIntegrations.isWinter(world)) {
-                temp -= Frostiful.getConfig().environmentConfig.getWinterTemperatureShift();
+                temp += Frostiful.getConfig().environmentConfig.getWinterTemperatureShift();
             }
             return temp;
         }