diff --git a/src/model/AssetMap.ts b/src/model/AssetMap.ts
index b91d601..fbe174d 100644
--- a/src/model/AssetMap.ts
+++ b/src/model/AssetMap.ts
@@ -18,9 +18,13 @@
             this.type = i.type;
         }
 
-        deserialise(): string {
+        deserialise(array = false): string {
             let parsed = JSON.parse(JSON.stringify(this));
             parsed = sortObjectKeys(parsed);
+
+            if(array) {
+                parsed = [parsed];
+            }
             return JSON.stringify(parsed, undefined, 2);
         }
     }
diff --git a/src/repo/index.ts b/src/repo/index.ts
index 46594cb..a4f3924 100644
--- a/src/repo/index.ts
+++ b/src/repo/index.ts
@@ -131,7 +131,7 @@ export function addAssetMap(map: AssetMap, repoPath: string = DEFAULT_REPO_DISK_
     }
 
     if(!fs.existsSync(assetMapInfoFile)) {
-        fs.writeFileSync(assetMapInfoFile, JSON.stringify([map.deserialise()], null, 2));
+        fs.writeFileSync(assetMapInfoFile, map.deserialise(true));
         return;
     }
 
@@ -146,6 +146,6 @@ export function addAssetMap(map: AssetMap, repoPath: string = DEFAULT_REPO_DISK_
 
     if(!existingMap) {
         assetMaps.push(map);
-        fs.writeFileSync(assetMapInfoFile, JSON.stringify(assetMaps.map(m => m.deserialise()), null, 2));
+        fs.writeFileSync(assetMapInfoFile, JSON.stringify(assetMaps, null, 2));
     }
 }
\ No newline at end of file