diff --git a/front/package.json b/front/package.json
index ec81d8a7..8e616aae 100644
--- a/front/package.json
+++ b/front/package.json
@@ -45,6 +45,7 @@
     "@types/socket.io-client": "^1.4.32",
     "axios": "^0.21.2",
     "cross-env": "^7.0.3",
+    "deep-copy-ts": "^0.5.0",
     "generic-type-guard": "^3.2.0",
     "google-protobuf": "^3.13.0",
     "phaser": "^3.54.0",
diff --git a/front/src/Phaser/Game/GameScene.ts b/front/src/Phaser/Game/GameScene.ts
index d9bb8186..90c67437 100644
--- a/front/src/Phaser/Game/GameScene.ts
+++ b/front/src/Phaser/Game/GameScene.ts
@@ -89,6 +89,7 @@ import { get } from "svelte/store";
 import { contactPageStore } from "../../Stores/MenuStore";
 import { GameMapProperties } from "./GameMapProperties";
 import SpriteSheetFile = Phaser.Loader.FileTypes.SpriteSheetFile;
+import { deepCopy } from "deep-copy-ts";
 
 export interface GameSceneInitInterface {
     initPosition: PointInterface | null;
@@ -341,7 +342,10 @@ export class GameScene extends DirtyScene {
     private async onMapLoad(data: any): Promise<void> {
         // Triggered when the map is loaded
         // Load tiles attached to the map recursively
-        this.mapFile = data.data;
+
+        // The map file can be modified by the scripting API and we don't want to tamper the Phaser cache (in case we come back on the map after visiting other maps)
+        // So we are doing a deep copy
+        this.mapFile = deepCopy(data.data);
         const url = this.MapUrlFile.substr(0, this.MapUrlFile.lastIndexOf("/"));
         this.mapFile.tilesets.forEach((tileset) => {
             if (typeof tileset.name === "undefined" || typeof tileset.image === "undefined") {
diff --git a/front/yarn.lock b/front/yarn.lock
index f94e659f..480de55c 100644
--- a/front/yarn.lock
+++ b/front/yarn.lock
@@ -1656,6 +1656,11 @@ dedent@^0.7.0:
   resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
   integrity sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw=
 
+deep-copy-ts@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/deep-copy-ts/-/deep-copy-ts-0.5.0.tgz#b9493d8e2bae85ef7d659c16eb707c13efb84499"
+  integrity sha512-/3cgBcMkznRf5BM8wu6YWz3SQUkHzgh/v1TZFjevztLj9sMjFvNFBtpN4uUtPzw/rA/TldyD6c6LRL1zno4+YA==
+
 deep-equal@^1.0.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.1.1.tgz#b5c98c942ceffaf7cb051e24e1434a25a2e6076a"