diff --git a/lib/mod.dart b/lib/mod.dart
index a844c9a..71bd8e4 100644
--- a/lib/mod.dart
+++ b/lib/mod.dart
@@ -330,6 +330,10 @@ class Mod {
     //   'Mod $name timing: XML=${xmlTime}ms, Metadata=${metadataTime}ms, FileCount=${fileCountTime}ms, Total=${totalTime}ms',
     // );
 
+    dependencies = dependencies.toSet().toList();
+    loadAfter = loadAfter.toSet().toList();
+    loadBefore = loadBefore.toSet().toList();
+    incompatibilities = incompatibilities.toSet().toList();
     return Mod(
       name: name,
       id: id,