diff --git a/src/main/java/baritone/pathing/movement/movements/MovementDiagonal.java b/src/main/java/baritone/pathing/movement/movements/MovementDiagonal.java
index a7b535dc9..ca3baf847 100644
--- a/src/main/java/baritone/pathing/movement/movements/MovementDiagonal.java
+++ b/src/main/java/baritone/pathing/movement/movements/MovementDiagonal.java
@@ -276,6 +276,7 @@ public class MovementDiagonal extends Movement {
         if (sprint()) {
             state.setInput(Input.SPRINT, true);
         }
+        state.setInput(Input.SNEAK, MovementHelper.steppingOnBlocks(ctx).stream().anyMatch(block -> BlockStateInterface.get(ctx, block).getBlock() == Blocks.MAGMA_BLOCK));
         MovementHelper.moveTowards(ctx, state, dest);
         return state;
     }