diff --git a/src/main/java/at/hannibal2/skyhanni/features/mining/crystalhollows/CrystalHollowsWalls.kt b/src/main/java/at/hannibal2/skyhanni/features/mining/crystalhollows/CrystalHollowsWalls.kt
index cde1e9ccbceb..950e939768c7 100644
--- a/src/main/java/at/hannibal2/skyhanni/features/mining/crystalhollows/CrystalHollowsWalls.kt
+++ b/src/main/java/at/hannibal2/skyhanni/features/mining/crystalhollows/CrystalHollowsWalls.kt
@@ -33,7 +33,9 @@ object CrystalHollowsWalls {
 
     private const val EXPAND_TIMES = 20
 
-    private const val HEAT_HEIGHT = 64.0
+    // Heat is active at Y=64.0 and below as of SkyBlock 0.20.1. We draw the line
+    // one above to accurately show whether the player is inside the Magma Fields.
+    private const val HEAT_HEIGHT = 65.0
     private const val MAX_HEIGHT = 190.0
 
     private const val MIN_X = 0.0