diff --git a/engine/asset/include/assetptr.hpp b/engine/asset/include/assetptr.hpp
index bf3b497..4dfd3c7 100644
--- a/engine/asset/include/assetptr.hpp
+++ b/engine/asset/include/assetptr.hpp
@@ -29,11 +29,13 @@ struct AssetPtr {
     }
 
     AssetPtr& operator=(const AssetPtr& rhs) {
-        handle = rhs.handle;
-        block = rhs.block;
+        if(&rhs != this) {
+            handle = rhs.handle;
+            block = rhs.block;
 
-        if(block != nullptr)
-            block->references++;
+            if (block != nullptr)
+                block->references++;
+        }
 
         return *this;
     }