diff --git a/src/assets/AssetsLoader.cpp b/src/assets/AssetsLoader.cpp
index 9a570fc2..a4853606 100644
--- a/src/assets/AssetsLoader.cpp
+++ b/src/assets/AssetsLoader.cpp
@@ -194,6 +194,9 @@ void AssetsLoader::processPreloadConfigs(const Content* content) {
         return;
     }
     for (auto& entry : content->getPacks()) {
+        if (entry.first == "core") {
+            continue;
+        }
         const auto& pack = entry.second;
         auto preloadFile = pack->getInfo().folder / fs::path("preload.json");
         if (fs::exists(preloadFile)) {
diff --git a/src/assets/assetload_funcs.cpp b/src/assets/assetload_funcs.cpp
index 97107862..35133264 100644
--- a/src/assets/assetload_funcs.cpp
+++ b/src/assets/assetload_funcs.cpp
@@ -12,6 +12,7 @@
 #include "coders/obj.hpp"
 #include "constants.hpp"
 #include "data/dynamic.hpp"
+#include "debug/Logger.hpp"
 #include "files/engine_paths.hpp"
 #include "files/files.hpp"
 #include "frontend/UiDocument.hpp"
@@ -26,6 +27,8 @@
 #include "Assets.hpp"
 #include "AssetsLoader.hpp"
 
+static debug::Logger logger("assetload-funcs");
+
 namespace fs = std::filesystem;
 
 static bool animation(
@@ -263,7 +266,7 @@ static TextureAnimation create_animation(
 
     for (const auto& elem : frameList) {
         if (!srcAtlas->has(elem.first)) {
-            std::cerr << "Unknown frame name: " << elem.first << std::endl;
+            logger.error() << "unknown frame name: " << elem.first;
             continue;
         }
         region = srcAtlas->get(elem.first);