diff --git a/src/main/java/org/dimdev/vanillafix/VanillaFix.java b/src/main/java/org/dimdev/vanillafix/VanillaFix.java
index 028f2c8..755e6c1 100644
--- a/src/main/java/org/dimdev/vanillafix/VanillaFix.java
+++ b/src/main/java/org/dimdev/vanillafix/VanillaFix.java
@@ -6,9 +6,11 @@
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
 import org.apache.logging.log4j.Logger;
-import org.dimdev.vanillafix.crashes.StacktraceDeobfuscator;
 
-import java.io.*;
+import java.io.File;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
 import java.util.Scanner;
 
 @Mod(modid = "vanillafix",
@@ -18,7 +20,6 @@
      updateJSON = "https://gist.githubusercontent.com/Runemoro/28e8cf4c24a5f17f508a5d34f66d229f/raw/vanillafix_update.json")
 public class VanillaFix {
     private static final int CONFIG_VERSION = 1;
-    String MCP_VERSION = "20180519-1.12";
     public File modDir;
 
     @Mod.EventHandler
@@ -27,22 +28,6 @@ public void onPreInit(FMLPreInitializationEvent event) {
         modDir = new File(event.getModConfigurationDirectory(), "vanillafix");
         modDir.mkdirs();
 
-        // Initialize StacktraceDeobfuscator
-        // TODO: Use version for current Minecraft version!
-        log.info("Initializing StacktraceDeobfuscator");
-        try {
-            File mappings = new File(modDir, "methods-" + MCP_VERSION + ".csv");
-            if (mappings.exists()) {
-                log.info("Found MCP method mappings: " + mappings.getName());
-            } else {
-                log.info("Downloading MCP method mappings to: " + mappings.getName());
-            }
-            StacktraceDeobfuscator.init(mappings, MCP_VERSION);
-        } catch (Exception e) {
-            log.error("Failed to get MCP data!", e);
-        }
-        log.info("Done initializing StacktraceDeobfuscator");
-
         // Check if config is outdated and needs to be deleted
         boolean configOutdated;
         File configVersionFile = new File(modDir, "config_version");
diff --git a/src/main/java/org/dimdev/vanillafix/VanillaFixLoadingPlugin.java b/src/main/java/org/dimdev/vanillafix/VanillaFixLoadingPlugin.java
index dd93a46..0dd6ca0 100644
--- a/src/main/java/org/dimdev/vanillafix/VanillaFixLoadingPlugin.java
+++ b/src/main/java/org/dimdev/vanillafix/VanillaFixLoadingPlugin.java
@@ -1,13 +1,20 @@
 package org.dimdev.vanillafix;
 
+import net.minecraft.launchwrapper.Launch;
+import net.minecraft.launchwrapper.LogWrapper;
 import net.minecraftforge.common.ForgeVersion;
+import net.minecraftforge.fml.common.Loader;
 import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.dimdev.utils.SSLUtils;
 import org.dimdev.vanillafix.crashes.DeobfuscatingRewritePolicy;
+import org.dimdev.vanillafix.crashes.StacktraceDeobfuscator;
 import org.spongepowered.asm.launch.MixinBootstrap;
 import org.spongepowered.asm.mixin.Mixins;
 
 import javax.annotation.Nullable;
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.KeyStore;
@@ -20,6 +27,8 @@
 @IFMLLoadingPlugin.SortingIndex(-5000)
 @IFMLLoadingPlugin.TransformerExclusions("org.dimdev.vanillafix.")
 public class VanillaFixLoadingPlugin implements IFMLLoadingPlugin {
+    private static final Logger log = LogManager.getLogger();
+    private static final String MCP_VERSION = "20180519-1.12"; // TODO: Use version for current Minecraft version!
 
     public VanillaFixLoadingPlugin() {
         // Trust the "IdenTrust DST Root CA X3" certificate (used by Let's Encrypt, which is used by paste.dimdev.org)
@@ -32,6 +41,25 @@ public VanillaFixLoadingPlugin() {
             throw new RuntimeException();
         }
 
+        // Initialize StacktraceDeobfuscator
+        File modDir = new File(Launch.minecraftHome, "config/vanillafix");
+        modDir.mkdirs();
+
+        // Initialize StacktraceDeobfuscator
+        log.info("Initializing StacktraceDeobfuscator");
+        try {
+            File mappings = new File(modDir, "methods-" + MCP_VERSION + ".csv");
+            if (mappings.exists()) {
+                log.info("Found MCP method mappings: " + mappings.getName());
+            } else {
+                log.info("Downloading MCP method mappings to: " + mappings.getName());
+            }
+            StacktraceDeobfuscator.init(mappings, MCP_VERSION);
+        } catch (Exception e) {
+            log.error("Failed to get MCP data!", e);
+        }
+        log.info("Done initializing StacktraceDeobfuscator");
+
         // Install the log exception deobfuscation rewrite policy
         DeobfuscatingRewritePolicy.install();