diff --git a/src/assets/AssetsLoader.cpp b/src/assets/AssetsLoader.cpp
index d1370338..142934d1 100644
--- a/src/assets/AssetsLoader.cpp
+++ b/src/assets/AssetsLoader.cpp
@@ -236,7 +236,8 @@ void AssetsLoader::addDefaults(AssetsLoader& loader, const Content* content) {
             }
         }
         for (const auto& [_, def] : content->blocks.getDefs()) {
-            if (def->modelName.find(':') == std::string::npos) {
+            if (!def->modelName.empty() &&
+                def->modelName.find(':') == std::string::npos) {
                 loader.add(
                     AssetType::MODEL,
                     MODELS_FOLDER + "/" + def->modelName,