diff --git a/assets/plugins/plugin-9patch-0.1.1.jar b/assets/plugins/plugin-9patch-0.1.1.jar
index ae224f1e..fbb32e60 100644
Binary files a/assets/plugins/plugin-9patch-0.1.1.jar and b/assets/plugins/plugin-9patch-0.1.1.jar differ
diff --git a/assets/plugins/plugin-performance-0.1.1.jar b/assets/plugins/plugin-performance-0.1.1.jar
index 2ebc15a6..fda638c8 100644
Binary files a/assets/plugins/plugin-performance-0.1.1.jar and b/assets/plugins/plugin-performance-0.1.1.jar differ
diff --git a/assets/plugins/plugin-skin-composer-0.1.1.jar b/assets/plugins/plugin-skin-composer-0.1.1.jar
index 5b680cbd..a11d0385 100644
Binary files a/assets/plugins/plugin-skin-composer-0.1.1.jar and b/assets/plugins/plugin-skin-composer-0.1.1.jar differ
diff --git a/assets/plugins/plugin-tiled-0.1.1.jar b/assets/plugins/plugin-tiled-0.1.1.jar
index 86fb069d..b9601cc3 100644
Binary files a/assets/plugins/plugin-tiled-0.1.1.jar and b/assets/plugins/plugin-tiled-0.1.1.jar differ
diff --git a/plugin-tiled/src/main/java/games/rednblack/editor/plugin/tiled/view/dialog/AlternativeAutoTileDialogMediator.java b/plugin-tiled/src/main/java/games/rednblack/editor/plugin/tiled/view/dialog/AlternativeAutoTileDialogMediator.java
index 49c388be..2b24c2f6 100644
--- a/plugin-tiled/src/main/java/games/rednblack/editor/plugin/tiled/view/dialog/AlternativeAutoTileDialogMediator.java
+++ b/plugin-tiled/src/main/java/games/rednblack/editor/plugin/tiled/view/dialog/AlternativeAutoTileDialogMediator.java
@@ -75,6 +75,8 @@ public class AlternativeAutoTileDialogMediator extends Mediator<AlternativeAutoT
      * @param at The auto-tile to recalculate, or if <code>null</code> then all auto-tiles.
      */
     private void recalculatePercent(AutoTileVO at) {
+		if (at.alternativeAutoTileList.size() == 0) return;
+
     	float total = 0;
     	for (AlternativeAutoTileVO aat : at.alternativeAutoTileList) {
 			if (!"".equals(aat.region)) {