diff --git a/Malmo/samples/Python_examples/mouse_steering_test.py b/Malmo/samples/Python_examples/mouse_steering_test.py
index 186878f7b..9052794a4 100644
--- a/Malmo/samples/Python_examples/mouse_steering_test.py
+++ b/Malmo/samples/Python_examples/mouse_steering_test.py
@@ -79,6 +79,8 @@ def GetMissionXML( agent_host, seed, include_beacon ):
             <ServerHandlers>
                 <FlatWorldGenerator generatorString="3;7,220*1,5*3,2;3;,biome_1" />
                 <DrawingDecorator>
+                    <DrawCuboid x1="-2" y1="225" z1="-2" x2="41" y2="225" z2="41" type="stone" variant="smooth_granite"/>
+                    <DrawCuboid x1="-2" y1="226" z1="-2" x2="41" y2="226" z2="41" type="air"/>
                     <DrawCuboid x1="-1" y1="226" z1="-1" x2="40" y2="226" z2="40" type="purpur_block"/>
                 </DrawingDecorator>
                 <MazeDecorator>
diff --git a/Minecraft/src/main/java/com/microsoft/Malmo/MissionHandlers/MazeDecoratorImplementation.java b/Minecraft/src/main/java/com/microsoft/Malmo/MissionHandlers/MazeDecoratorImplementation.java
index 54fe23e36..3f3f4d3f4 100755
--- a/Minecraft/src/main/java/com/microsoft/Malmo/MissionHandlers/MazeDecoratorImplementation.java
+++ b/Minecraft/src/main/java/com/microsoft/Malmo/MissionHandlers/MazeDecoratorImplementation.java
@@ -495,7 +495,7 @@ private void findSubgoals(Cell[] grid, Cell start, Cell end)
                     int cellindex = cellx + cellz * width;
                     if (cellindex < 0 || cellindex >= grid.length || grid[cellindex] == null)
                         walkable = false;
-                    if (walkable && gapHeight > optimalPathHeight && !gapBlock.equals(Blocks.AIR.getDefaultState()))
+                    if (walkable && gapHeight > optimalPathHeight && !gapBlock.getBlock().getDefaultState().equals(Blocks.AIR.getDefaultState()))
                     {
                         // The "gaps" are in fact walls, so we need to be a bit more conservative with our path, since the
                         // player has a width of 0.4 cells. We do this in a very unsophisticated, brute-force manor by testing