diff --git a/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java b/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java
index 1019afa3..967ab976 100644
--- a/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java
+++ b/prometeu-packer/prometeu-packer-v1/src/main/java/p/packer/repositories/PackerRuntimeAssetMaterializer.java
@@ -8,6 +8,10 @@ import java.nio.file.Path;
 import java.util.*;
 
 public final class PackerRuntimeAssetMaterializer {
+    private static final Set<String> RUNTIME_RESERVED_FILE_NAMES = Set.of(
+            "asset.json",
+            "studio.asset.json");
+
     private final PackerAssetWalker assetWalker;
 
     public PackerRuntimeAssetMaterializer(PackerAssetWalker assetWalker) {
@@ -114,7 +118,7 @@ public final class PackerRuntimeAssetMaterializer {
     private List<String> listAvailableFiles(Path assetRoot) {
         try (var paths = Files.list(assetRoot)
                 .filter(Files::isRegularFile)
-                .filter(path -> !path.getFileName().toString().equalsIgnoreCase("asset.json"))
+                .filter(path -> !isRuntimeReservedFile(path))
                 .map(path -> assetRoot.relativize(path.toAbsolutePath().normalize()).toString().replace('\\', '/'))
                 .sorted(String.CASE_INSENSITIVE_ORDER)) {
             return paths.toList();
@@ -123,6 +127,10 @@ public final class PackerRuntimeAssetMaterializer {
         }
     }
 
+    private boolean isRuntimeReservedFile(Path path) {
+        return RUNTIME_RESERVED_FILE_NAMES.contains(path.getFileName().toString().toLowerCase(Locale.ROOT));
+    }
+
     private PackerRuntimeWalkFile toRuntimeWalkFile(
             Path assetRoot,
             PackerProbeResult probeResult,
diff --git a/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerRuntimeAssetMaterializerTest.java b/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerRuntimeAssetMaterializerTest.java
index 2594c619..d5604e2f 100644
--- a/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerRuntimeAssetMaterializerTest.java
+++ b/prometeu-packer/prometeu-packer-v1/src/test/java/p/packer/repositories/PackerRuntimeAssetMaterializerTest.java
@@ -76,6 +76,7 @@ final class PackerRuntimeAssetMaterializerTest {
         final Path assetRoot = Files.createDirectories(tempDir.resolve("runtime-default"));
         final Path manifestPath = assetRoot.resolve("asset.json");
         Files.writeString(manifestPath, "{}");
+        Files.writeString(assetRoot.resolve("studio.asset.json"), "{}");
         writeTile(assetRoot.resolve("selected.png"), 16);
         writeTile(assetRoot.resolve("extra.png"), 16);
 
@@ -91,6 +92,7 @@ final class PackerRuntimeAssetMaterializerTest {
                 Optional.empty());
 
         assertEquals(2, materialized.runtimeAsset().walkProjection().buildCandidateFiles().size());
+        assertEquals(List.of("extra.png", "selected.png"), materialized.runtimeAsset().walkProjection().availableFiles());
         assertTrue(materialized.runtimeAsset().walkProjection().buildCandidateFiles().stream()
                 .allMatch(file -> file.contentBytes().isEmpty()));
     }