diff --git a/src/js/game/map.js b/src/js/game/map.js
index 8edff48b..c59341b9 100644
--- a/src/js/game/map.js
+++ b/src/js/game/map.js
@@ -16,6 +16,8 @@ export class BaseMap extends BasicSerializableObject {
         return {
             seed: types.uint,
             allowNonPrimaryColors: types.bool,
+            fullShapePercentage: types.uint,
+            wierdShapePercentage: types.uint,
         };
     }
 
@@ -29,6 +31,8 @@ export class BaseMap extends BasicSerializableObject {
 
         this.seed = 0;
         this.allowNonPrimaryColors = false;
+        this.fullShapePercentage = 0;
+        this.wierdShapePercentage = 0;
 
         /**
          * Mapping of 'X|Y' to chunk
diff --git a/src/js/savegame/schemas/1010.js b/src/js/savegame/schemas/1010.js
index e1917581..56cca297 100644
--- a/src/js/savegame/schemas/1010.js
+++ b/src/js/savegame/schemas/1010.js
@@ -26,5 +26,13 @@ export class SavegameInterface_V1010 extends SavegameInterface_V1009 {
         if (!dump.map.hasOwnProperty("allowNonPrimaryColors")) {
             dump.map.allowNonPrimaryColors = false;
         }
+
+        if (!dump.map.hasOwnProperty("fullShapePercentage")) {
+            dump.map.fullShapePercentage = 0;
+        }
+
+        if (!dump.map.hasOwnProperty("wierdShapePercentage")) {
+            dump.map.wierdShapePercentage = 0;
+        }
     }
 }