diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java b/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
index c25bf8fee3..10bb926f56 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
@@ -2481,8 +2481,8 @@ protected BaseBlock getMaterial(int x, int y, int z, BaseBlock defaultMaterial)
 
                 try {
                     int[] legacy = LegacyMapper.getInstance().getLegacyFromBlock(defaultMaterial.toImmutableState());
-                    int typeVar = 0;
-                    int dataVar = 0;
+                    int typeVar = -1;
+                    int dataVar = -1;
                     if (legacy != null) {
                         typeVar = legacy[0];
                         if (legacy.length > 1) {
diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/regions/shape/WorldEditExpressionEnvironment.java b/worldedit-core/src/main/java/com/sk89q/worldedit/regions/shape/WorldEditExpressionEnvironment.java
index 9f146e426c..1a77953aa7 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/regions/shape/WorldEditExpressionEnvironment.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/regions/shape/WorldEditExpressionEnvironment.java
@@ -60,7 +60,7 @@ public Vector3 toWorldRel(double x, double y, double z) {
 
     private int getLegacy(BlockVector3 position, int index) {
         final int[] legacy = LegacyMapper.getInstance().getLegacyFromBlock(extent.getBlock(position).toImmutableState());
-        return legacy == null ? 0 : legacy[index];
+        return legacy == null ? -1 : legacy[index];
     }
 
     @Override