diff --git a/build.gradle b/build.gradle
index 3e066b644..87bc62f6a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,7 @@ configurations {
 
 apply plugin: 'forge'
 
-version = "1.8.2"
+version = "1.8.3"
 group= "com.kamkeel.customnpc-plus" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = "CustomNPC-Plus"
 
diff --git a/src/main/java/noppes/npcs/CustomNpcs.java b/src/main/java/noppes/npcs/CustomNpcs.java
index 417e40675..7a320bff8 100644
--- a/src/main/java/noppes/npcs/CustomNpcs.java
+++ b/src/main/java/noppes/npcs/CustomNpcs.java
@@ -36,7 +36,7 @@ import java.util.ArrayList;
 import java.util.Set;
 import java.util.UUID;
 
-@Mod(modid = "customnpcs", name = "CustomNPC+", version = "1.8.2")
+@Mod(modid = "customnpcs", name = "CustomNPC+", version = "1.8.3")
 public class CustomNpcs {
 
     @SidedProxy(clientSide = "noppes.npcs.client.ClientProxy", serverSide = "noppes.npcs.CommonProxy")
diff --git a/src/main/java/noppes/npcs/controllers/PlayerDataController.java b/src/main/java/noppes/npcs/controllers/PlayerDataController.java
index a8bc3b215..31b2cdeb7 100644
--- a/src/main/java/noppes/npcs/controllers/PlayerDataController.java
+++ b/src/main/java/noppes/npcs/controllers/PlayerDataController.java
@@ -168,7 +168,7 @@ public class PlayerDataController {
 		readNBT(nbttagcompound);
 	}
 
-	public void savePlayerDataMap(){
+	public synchronized void savePlayerDataMap(){
 		CustomNPCsScheduler.runTack(() -> {
 			try {
 				File saveDir = getSaveDir();