diff --git a/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuClassTransformer.java b/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuClassTransformer.java
index 5eb7d8e..6da2733 100644
--- a/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuClassTransformer.java
+++ b/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuClassTransformer.java
@@ -19,8 +19,7 @@ import java.lang.reflect.Method;
  * 4/4/2019 @ 11:49 PM.
  */
 public final class SeppukuClassTransformer implements IClassTransformer {
-
-    private static final PatchManager PATCH_MANAGER = new PatchManager(PatchManager.Environment.IDE);
+    public static PatchManager PATCH_MANAGER = null;
 
     /**
      * Every time a class is loaded we can intercept it and modify the bytecode
@@ -32,6 +31,9 @@ public final class SeppukuClassTransformer implements IClassTransformer {
      */
     @Override
     public byte[] transform(String name, String transformedName, byte[] basicClass) {
+        if (PATCH_MANAGER == null)
+            return basicClass;
+
         try {
             //find a patch based on the class name
             final ClassPatch patch = PATCH_MANAGER.findClassPatch(name);
diff --git a/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuLoadingPlugin.java b/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuLoadingPlugin.java
index af83fc6..baf7c31 100644
--- a/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuLoadingPlugin.java
+++ b/src/main/java/me/rigamortis/seppuku/impl/fml/core/SeppukuLoadingPlugin.java
@@ -1,5 +1,6 @@
 package me.rigamortis.seppuku.impl.fml.core;
 
+import me.rigamortis.seppuku.impl.management.PatchManager;
 import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin;
 
 import javax.annotation.Nullable;
@@ -33,11 +34,13 @@ public final class SeppukuLoadingPlugin implements IFMLLoadingPlugin {
 
     @Override
     public void injectData(Map<String, Object> data) {
-
+        final boolean runtimeDeobfuscationEnabled =
+                (boolean) data.getOrDefault("runtimeDeobfuscationEnabled", false);
+        SeppukuClassTransformer.PATCH_MANAGER = new PatchManager(!runtimeDeobfuscationEnabled);
     }
 
     @Override
     public String getAccessTransformerClass() {
         return SeppukuAccessTransformer.class.getName();
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/me/rigamortis/seppuku/impl/management/PatchManager.java b/src/main/java/me/rigamortis/seppuku/impl/management/PatchManager.java
index 8bb38fc..78fdeb0 100644
--- a/src/main/java/me/rigamortis/seppuku/impl/management/PatchManager.java
+++ b/src/main/java/me/rigamortis/seppuku/impl/management/PatchManager.java
@@ -18,9 +18,9 @@ public final class PatchManager {
 
     private Environment env;
 
-    public PatchManager(Environment env) {
+    public PatchManager(final boolean devEnv) {
         //set our environment for mappings
-        this.setEnv(env);
+        this.setEnv(devEnv ? Environment.IDE : Environment.RELEASE);
 
         //add internal patches
         this.patchList.add(new MinecraftPatch());