diff --git a/shared/bindings/Entity.cpp b/shared/bindings/Entity.cpp
index 1b6e74f8..fcb94dbd 100644
--- a/shared/bindings/Entity.cpp
+++ b/shared/bindings/Entity.cpp
@@ -142,8 +142,8 @@ static void AttachTo(const v8::FunctionCallbackInfo<v8::Value>& info)
     }
     else if(info[1]->IsNumber() && info[2]->IsNumber())
     {
-        V8_ARG_TO_INT32(2, otherBone);
-        V8_ARG_TO_INT32(3, ownBone);
+        V8_ARG_TO_UINT(2, otherBone);
+        V8_ARG_TO_UINT(3, ownBone);
 
         _this->AttachToEntity(entity, otherBone, ownBone, pos, rot, collision, noFixedRot);
     }
diff --git a/shared/deps/cpp-sdk b/shared/deps/cpp-sdk
index e2ee1113..501cffd2 160000
--- a/shared/deps/cpp-sdk
+++ b/shared/deps/cpp-sdk
@@ -1 +1 @@
-Subproject commit e2ee1113ceb167701d2c42ca5c55c8d69303c41e
+Subproject commit 501cffd26b123ddac1a65c3920bd3fb92d80b152