diff --git a/MLEM/Content/RawContentManager.cs b/MLEM/Content/RawContentManager.cs
index 820779c..c661de9 100644
--- a/MLEM/Content/RawContentManager.cs
+++ b/MLEM/Content/RawContentManager.cs
@@ -54,7 +54,7 @@ namespace MLEM.Content {
                     if (!(read is T t))
                         throw new ContentLoadException($"{reader} returned non-{typeof(T)} for asset {assetName}");
                     this.LoadedAssets[assetName] = t;
-                    if (t is IDisposable d)
+                    if (t is IDisposable d && !this.disposableAssets.Contains(d))
                         this.disposableAssets.Add(d);
                     return t;
                 }