diff --git a/src/fmllauncher/java/net/minecraftforge/fml/loading/ModDirTransformerDiscoverer.java b/src/fmllauncher/java/net/minecraftforge/fml/loading/ModDirTransformerDiscoverer.java
index ed33232ca..c1f528cd6 100644
--- a/src/fmllauncher/java/net/minecraftforge/fml/loading/ModDirTransformerDiscoverer.java
+++ b/src/fmllauncher/java/net/minecraftforge/fml/loading/ModDirTransformerDiscoverer.java
@@ -38,9 +38,9 @@ public class ModDirTransformerDiscoverer implements ITransformerDiscoveryService
         return ModDirTransformerDiscoverer.transformers;
     }
 
-    private static List<Path> transformers;
+    private static List<Path> transformers = new ArrayList<>();
+    private static List<Path> locators = new ArrayList<>();
 
-    private static List<Path> locators;
     public static List<Path> allExcluded() {
         ArrayList<Path> paths = new ArrayList<>();
         paths.addAll(transformers);