diff --git a/Classes/SKAsyncGLView.m b/Classes/SKAsyncGLView.m
index bfd573f..07c61ea 100644
--- a/Classes/SKAsyncGLView.m
+++ b/Classes/SKAsyncGLView.m
@@ -27,6 +27,9 @@ + (Class)layerClass
 	return [CAEAGLLayer class];
 }
 
++(void)load{
+	sharedGroups = @{}.mutableCopy;
+}
 
 #pragma mark - lifecycle/ui