diff --git a/Loader/src/main/java/de/com/baseband/launcher/classloader/CustomClassLoader.java b/Loader/src/main/java/de/com/baseband/launcher/classloader/CustomClassLoader.java
index 3628930..969f603 100644
--- a/Loader/src/main/java/de/com/baseband/launcher/classloader/CustomClassLoader.java
+++ b/Loader/src/main/java/de/com/baseband/launcher/classloader/CustomClassLoader.java
@@ -67,6 +67,8 @@ public class CustomClassLoader extends ClassLoader implements Util {
                 throw new IllegalStateException(MixinService.getService().getClass().toString());
             }
 
+            registerAsParallelCapable();
+
             Field parent = ClassLoader.class.getDeclaredField("parent");
             parent.setAccessible(true);
             parent.set(this, parent.get(Launch.classLoader));
@@ -97,8 +99,11 @@ public class CustomClassLoader extends ClassLoader implements Util {
                 throw new RuntimeException(e);
             }
         }
-        URL r = Launch.classLoader.findResource(name);
-        if(r == null)
+        URL r;
+        synchronized (Launch.classLoader) {
+            r = Launch.classLoader.findResource(name);
+        }
+        if (r == null)
             return super.findResource(name);
         return r;
     }
@@ -120,17 +125,17 @@ public class CustomClassLoader extends ClassLoader implements Util {
 
     @Override
     protected Class<?> findClass(String name) throws ClassNotFoundException {
-        synchronized (Launch.classLoader) {
-            if (names.contains(name.replace('.', '/') + ".class")) {
-                Class<?> clazz = loadBBClass(name);
-                if (clazz != null)
-                    return clazz;
-            }
-            try {
+        if (names.contains(name.replace('.', '/') + ".class")) {
+            Class<?> clazz = loadBBClass(name);
+            if (clazz != null)
+                return clazz;
+        }
+        try {
+            synchronized (Launch.classLoader) {
                 return Launch.classLoader.findClass(name);
-            } catch (ClassNotFoundException e) {
-                return super.findClass(name);
             }
+        } catch (ClassNotFoundException e) {
+            return super.findClass(name);
         }
     }