diff --git a/src/assets/assetload_funcs.cpp b/src/assets/assetload_funcs.cpp
index fbb2bf7b..0281e504 100644
--- a/src/assets/assetload_funcs.cpp
+++ b/src/assets/assetload_funcs.cpp
@@ -91,6 +91,8 @@ assetload::postfunc assetload::atlas(
 ) {
     AtlasBuilder builder;
     for (const auto& file : paths->listdir(directory)) {
+        if (fs::is_directory(file))
+            continue;
         if (!appendAtlas(builder, file))
             continue;
     }