diff --git a/src/main/java/org/betterx/bclib/api/PostInitAPI.java b/src/main/java/org/betterx/bclib/api/PostInitAPI.java
index 7d9d3ce4..84085d52 100644
--- a/src/main/java/org/betterx/bclib/api/PostInitAPI.java
+++ b/src/main/java/org/betterx/bclib/api/PostInitAPI.java
@@ -52,10 +52,6 @@ public class PostInitAPI {
      * @param isClient {@code boolean}, {@code true} for client, {@code false} for server.
      */
     public static void postInit(boolean isClient) {
-        if (postInitFunctions == null) {
-            return;
-        }
-        postInitFunctions.forEach(function -> function.accept(isClient));
         Registry.BLOCK.forEach(block -> {
             processBlockCommon(block);
             if (isClient) {
@@ -67,7 +63,11 @@ public class PostInitAPI {
         Registry.ITEM.forEach(item -> {
             processItemCommon(item);
         });
-        postInitFunctions = null;
+
+        if (postInitFunctions != null) {
+            postInitFunctions.forEach(function -> function.accept(isClient));
+            postInitFunctions = null;
+        }
         blockTags = null;
         itemTags = null;
         BiomeAPI.loadFabricAPIBiomes();