diff --git a/Assets/OkapiKit/Scripts/Systems/SoundManager.cs b/Assets/OkapiKit/Scripts/Systems/SoundManager.cs
index ea7d01f..75b4e22 100644
--- a/Assets/OkapiKit/Scripts/Systems/SoundManager.cs
+++ b/Assets/OkapiKit/Scripts/Systems/SoundManager.cs
@@ -29,6 +29,10 @@ public static SoundManager instance
         // Start is called before the first frame update
         void Start()
         {
+            if (_instance == null)
+            {
+                _instance = this;
+            }
             // Find all audio sources
             audioSources = new List<AudioSource>(GetComponentsInChildren<AudioSource>());
             if (audioSources == null)
diff --git a/Assets/OkapiKit/UI/GridEvent.png.meta b/Assets/OkapiKit/UI/GridEvent.png.meta
index 55e5c7a..b9483ec 100644
--- a/Assets/OkapiKit/UI/GridEvent.png.meta
+++ b/Assets/OkapiKit/UI/GridEvent.png.meta
@@ -134,7 +134,8 @@ TextureImporter:
     secondaryTextures: []
     spriteCustomMetadata:
       entries: []
-    nameFileIdTable: {}
+    nameFileIdTable:
+      GridEvent_0: 973440295989413809
   mipmapLimitGroupName: 
   pSDRemoveMatte: 0
   userData: 
diff --git a/Assets/OkapiKit/UI/Tiles.png.meta b/Assets/OkapiKit/UI/Tiles.png.meta
index 651e5dd..d887669 100644
--- a/Assets/OkapiKit/UI/Tiles.png.meta
+++ b/Assets/OkapiKit/UI/Tiles.png.meta
@@ -134,7 +134,8 @@ TextureImporter:
     secondaryTextures: []
     spriteCustomMetadata:
       entries: []
-    nameFileIdTable: {}
+    nameFileIdTable:
+      Tiles_0: 7223950226953391895
   mipmapLimitGroupName: 
   pSDRemoveMatte: 0
   userData: 
diff --git a/Assets/OkapiKit/UI/Trash.png.meta b/Assets/OkapiKit/UI/Trash.png.meta
index c240c3f..4cec27c 100644
--- a/Assets/OkapiKit/UI/Trash.png.meta
+++ b/Assets/OkapiKit/UI/Trash.png.meta
@@ -159,7 +159,9 @@ TextureImporter:
     secondaryTextures: []
     spriteCustomMetadata:
       entries: []
-    nameFileIdTable: {}
+    nameFileIdTable:
+      Trash_0: 2433294883196242628
+      Trash_1: 8710820032630935801
   mipmapLimitGroupName: 
   pSDRemoveMatte: 0
   userData: 
diff --git a/Assets/OkapiKit/package.json b/Assets/OkapiKit/package.json
index 87147fe..3d5b7e2 100644
--- a/Assets/OkapiKit/package.json
+++ b/Assets/OkapiKit/package.json
@@ -1,7 +1,7 @@
 {
     "name": "com.videojogoslusofona.okapikit",
     "displayName": "OkapiKit",
-    "version": "1.16.0",
+    "version": "1.16.1",
     "unity": "6000.0",
     "description": "OkapiKit is a toolkit for creation of simple games without code.",
     "keywords": [ "kit" ],
diff --git a/Assets/OkapiKitSamples/package.json b/Assets/OkapiKitSamples/package.json
index 84b9b44..adb9a19 100644
--- a/Assets/OkapiKitSamples/package.json
+++ b/Assets/OkapiKitSamples/package.json
@@ -1,14 +1,14 @@
 {
     "name": "com.videojogoslusofona.okapikit.samples",
     "displayName": "OkapiKit Samples",
-    "version": "1.16.0",
+    "version": "1.16.1",
     "unity": "6000.0",
     "description": "OkapiKit is a toolkit for creation of simple games without code. This package is just the samples for OkapiKit, they are not required to use Okapi Kit, and requires the Okapi Kit package.",
     "keywords": [ "okapi", "samples" ],
     "category": "samples",
     "dependencies": {},
     "relatedPackages": {
-      "com.videojogoslusofona.okapikit": "1.16.0"
+      "com.videojogoslusofona.okapikit": "1.16.1"
     },
     "author": {
       "name": "Videojogos ULHT",
diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index ff6e6ec..69fe2cd 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,5 +1,9 @@
 # Release Notes
 
+## V1.16.1
+
+- Fixed issue with SoundManager initialization of singleton
+
 ## V1.16.0
 
 - Updated OkapiKit to Unity 6 (should work with previous versions)