20w30a

src/main/java/carpet/mixins/PistonBlock_qcMixin.java

@@ -15,7 +15,7 @@ public class PistonBlock_qcMixin
 {
     @Inject(method = "shouldExtend", cancellable = true, at = @At(
             value = "INVOKE",
-            target = "Lnet/minecraft/util/math/BlockPos;up()Lnet/minecraft/util/math/BlockPos;"
+            target = "Lnet/minecraft/util/math/BlockPos;method_30931()Lnet/minecraft/util/math/BlockPos;" // up
     ))
     private void cancelUpCheck(World world_1, BlockPos blockPos_1, Direction direction_1, CallbackInfoReturnable<Boolean> cir)
     {