diff --git a/ProjectLighthouse/Helpers/FileHelper.cs b/ProjectLighthouse/Helpers/FileHelper.cs
index c98a629f..ab082024 100644
--- a/ProjectLighthouse/Helpers/FileHelper.cs
+++ b/ProjectLighthouse/Helpers/FileHelper.cs
@@ -18,6 +18,7 @@ namespace LBPUnion.ProjectLighthouse.Helpers {
                 LbpFileType.Script => false,
                 LbpFileType.Level => true,
                 LbpFileType.FileArchive => false,
+                LbpFileType.Plan => true,
                 LbpFileType.Unknown => false,
                 #if DEBUG
                 _ => throw new ArgumentOutOfRangeException(nameof(file), $"Unhandled file type ({file.FileType}) in FileHelper.IsFileSafe()"),
@@ -40,6 +41,7 @@ namespace LBPUnion.ProjectLighthouse.Helpers {
                 "TEX" => LbpFileType.Texture,
                 "FSH" => LbpFileType.Script,
                 "LVL" => LbpFileType.Level,
+                "PLN" => LbpFileType.Plan,
                 _ => LbpFileType.Unknown,
             };
         }
diff --git a/ProjectLighthouse/Types/Files/LbpFileType.cs b/ProjectLighthouse/Types/Files/LbpFileType.cs
index 6bb83d2a..40653cd3 100644
--- a/ProjectLighthouse/Types/Files/LbpFileType.cs
+++ b/ProjectLighthouse/Types/Files/LbpFileType.cs
@@ -4,6 +4,7 @@ namespace LBPUnion.ProjectLighthouse.Types.Files {
         Texture, // TEX
         Level, // LVL
         FileArchive, // .farc, (ends with FARC)
+        Plan, // PLN, uploaded with levels
         Unknown,
     }
 }
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