diff --git a/dist/Spine-v1.50.1.c3addon b/dist/Spine-v1.50.1.c3addon
new file mode 100644
index 0000000..8b06a27
Binary files /dev/null and b/dist/Spine-v1.50.1.c3addon differ
diff --git a/src/addon.json b/src/addon.json
index b4a287e..c9ed310 100755
--- a/src/addon.json
+++ b/src/addon.json
@@ -3,7 +3,7 @@
   "type": "plugin",
   "name": "Spine",
   "id": "Gritsenko_Spine",
-  "version": "1.50.0",
+  "version": "1.50.1",
   "author": "Mikal and Igor Gritsenko",
   "website": "https://gritsenko.github.io/c3_spine_plugin",
   "documentation": "https://gritsenko.github.io/c3_spine_plugin",
diff --git a/src/c3runtime/instance.js b/src/c3runtime/instance.js
index 31bb62d..6998985 100644
--- a/src/c3runtime/instance.js
+++ b/src/c3runtime/instance.js
@@ -1042,7 +1042,7 @@
             return (((val & 0xFF) << 24)
                    | ((val & 0xFF00) << 8)
                    | ((val >>> 8) & 0xFF00)
-                   | ((val >>> 24) & 0xFF));
+                   | ((val >>> 24) & 0xFF)) >>> 0;
         }
 
         _hexToC3RGBAColorValue(s) {
diff --git a/src/c3runtime/spine-draw.js b/src/c3runtime/spine-draw.js
index c61afcb..ea90ba3 100644
--- a/src/c3runtime/spine-draw.js
+++ b/src/c3runtime/spine-draw.js
@@ -346,7 +346,7 @@ class SpineBatch {
 // @ts-ignore
 if (!globalThis.spineBatcher)
 {
-    console.log('[Spine] SpineBatcher init, 1.50.0');
+    console.log('[Spine] SpineBatcher init, 1.50.1');
     // @ts-ignore
     globalThis.spineBatcher = new SpineBatch();
 }
\ No newline at end of file
diff --git a/src/plugin.js b/src/plugin.js
index 84bc74d..854469f 100755
--- a/src/plugin.js
+++ b/src/plugin.js
@@ -3,7 +3,7 @@
     const C3 = self.C3;
     
     const PLUGIN_ID = "Gritsenko_Spine";
-    const PLUGIN_VERSION = "1.50.0";
+    const PLUGIN_VERSION = "1.50.1";
     const PLUGIN_CATEGORY = "general";
 
     const PLUGIN_CLASS = SDK.Plugins.Gritsenko_Spine = class SpinePlugin extends SDK.IPluginBase {