diff --git a/MosswartMassacre/PluginSettings.cs b/MosswartMassacre/PluginSettings.cs
index 83544b4..8104493 100644
--- a/MosswartMassacre/PluginSettings.cs
+++ b/MosswartMassacre/PluginSettings.cs
@@ -65,7 +65,8 @@ namespace MosswartMassacre
 
             // build serializer/deserializer once
             var builder = new DeserializerBuilder()
-                .WithNamingConvention(UnderscoredNamingConvention.Instance);
+                .WithNamingConvention(UnderscoredNamingConvention.Instance)
+                .IgnoreUnmatchedProperties();
             var deserializer = builder.Build();
 
             PluginSettings loaded = null;