diff --git a/build.gradle b/build.gradle
index 7732da8..65ff520 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,6 @@
 buildscript {
     repositories {
         jcenter()
-        mavenCentral()
         maven {
             name = "forge"
             url = "https://files.minecraftforge.net/maven"
@@ -17,7 +16,7 @@ plugins {
     id "com.github.hierynomus.license" version "0.14.0"
     id "com.matthewprenger.cursegradle" version "1.0.10"
 }
-apply plugin: "net.minecraftforge.gradle.forge"
+apply plugin: 'net.minecraftforge.gradle.forge'
 apply plugin: 'com.selesse.git.changelog'
 apply plugin: 'java'
 
@@ -114,7 +113,7 @@ changelog {
     title = "Thaumic JEI"
     fileName = "CHANGELOG.md"
     outputDirectory = file("$projectDir")
-    since = 'last_tag'
+    since = '1.4.0'
     commitFormat = '%s (%an)'
     markdown {
         commitFormat = '* %s (%an)'
diff --git a/gradle.properties b/gradle.properties
index 847b51a..11940f6 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 modGroup=com.buuz135.thaumicjei.ThaumicJEI
-modVersion=1.5.0
+modVersion=1.5.1
 minecraftVersion=1.12.2
 modBaseName=ThaumicJEI
 forgeVersion=1.12.2-14.23.4.2747
-mcpVersion=snapshot_20180410
+mcpVersion=snapshot_20171003
 jei_version=4.10.0.198
diff --git a/src/main/java/com/buuz135/thaumicjei/event/ResearchManager.java b/src/main/java/com/buuz135/thaumicjei/event/ResearchManager.java
index d81d9fd..cc2bad6 100644
--- a/src/main/java/com/buuz135/thaumicjei/event/ResearchManager.java
+++ b/src/main/java/com/buuz135/thaumicjei/event/ResearchManager.java
@@ -1,3 +1,24 @@
+/*
+ * This file is part of Hot or Not.
+ *
+ * Copyright 2018, Buuz135
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in the
+ * Software without restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so, subject to the
+ * following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+ * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
 package com.buuz135.thaumicjei.event;
 
 import com.buuz135.thaumicjei.ThaumcraftJEIPlugin;
@@ -19,7 +40,7 @@
 @Mod.EventBusSubscriber(modid = ThaumicJEI.MOD_ID, value = Side.CLIENT)
 public class ResearchManager {
 
-    private static int needSync = -1;
+    private static int timeToSync = -1;
 
     @SubscribeEvent
     public static void onResearch(ResearchEvent.Research event) {
@@ -29,20 +50,24 @@ public static void onResearch(ResearchEvent.Research event) {
     @SubscribeEvent
     public static void onJoin(WorldEvent.Load event) {
         if (event.getWorld() instanceof WorldClient) {
-            needSync = 20;
+            timeToSync = 20;
         }
     }
 
     @SubscribeEvent
     public static void onTick(TickEvent.ClientTickEvent event) {
-        if (needSync >= 0 && event.phase == TickEvent.Phase.END) {
-            if (needSync == 0) sync("");
-            needSync--;
+        if (timeToSync >= 0 && event.phase == TickEvent.Phase.END) {
+            if (timeToSync == 0) sync("");
+            timeToSync--;
         }
     }
 
     private static void sync(String current) {
         if (!ThaumicConfig.hideRecipesIfMissingResearch) return;
+        if (Minecraft.getMinecraft().player == null) {
+            timeToSync = 20;
+            return;
+        }
         if (Minecraft.getMinecraft().player.hasCapability(ThaumcraftCapabilities.KNOWLEDGE, null)) {
             for (String uuid : new String[]{ThaumcraftJEIPlugin.arcaneWorkbenchCategory.getUid(), ThaumcraftJEIPlugin.crucibleCategory.getUid(), ThaumcraftJEIPlugin.infusionCategory.getUid()}) {
                 ThaumcraftJEIPlugin.runtime.getRecipeRegistry().getRecipeWrappers(ThaumcraftJEIPlugin.runtime.getRecipeRegistry().getRecipeCategory(uuid)).forEach(o -> ThaumcraftJEIPlugin.runtime.getRecipeRegistry().hideRecipe((IRecipeWrapper) o, uuid));