diff --git a/src/main/java/net/minecraftforge/fml/ModLoader.java b/src/main/java/net/minecraftforge/fml/ModLoader.java
index 69a2d642f..f1a3805b9 100644
--- a/src/main/java/net/minecraftforge/fml/ModLoader.java
+++ b/src/main/java/net/minecraftforge/fml/ModLoader.java
@@ -291,7 +291,7 @@ public class ModLoader
         Bootstrap.register();
         dataGeneratorConfig = new GatherDataEvent.DataGeneratorConfig(mods, path, inputs, serverGenerators, clientGenerators, devToolGenerators, reportsGenerator, structureValidator);
         existingFileHelper = new ExistingFileHelper(existingPacks, structureValidator);
-        gatherAndInitializeMods(null);
+        gatherAndInitializeMods(() -> {});
         dispatchAndHandleError(LifecycleEventProvider.GATHERDATA, Runnable::run, null);
         dataGeneratorConfig.runAll();
     }
diff --git a/src/main/java/net/minecraftforge/fml/server/ServerModLoader.java b/src/main/java/net/minecraftforge/fml/server/ServerModLoader.java
index 7ad5c3312..fb9ec30c8 100644
--- a/src/main/java/net/minecraftforge/fml/server/ServerModLoader.java
+++ b/src/main/java/net/minecraftforge/fml/server/ServerModLoader.java
@@ -42,7 +42,7 @@ public class ServerModLoader
         LogicalSidedProvider.setServer(()->dedicatedServer);
         LanguageHook.loadForgeAndMCLangs();
         try {
-            ModLoader.get().gatherAndInitializeMods(null);
+            ModLoader.get().gatherAndInitializeMods(() -> {});
             ModLoader.get().loadMods(Runnable::run, (a)->{}, (a)->{});
         } catch (LoadingFailedException e) {
             ServerModLoader.hasErrors = true;