diff --git a/pom.xml b/pom.xml
index 6a99b27..f8b6b7c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>dev.unlegitdqrk</groupId>
     <artifactId>unlegitlibrary</artifactId>
-    <version>1.7.0</version>
+    <version>1.7.1</version>
     <url>https://unlegitdqrk.dev/</url>
     <description>Just a big library</description>
 
diff --git a/src/main/java/dev/unlegitdqrk/unlegitlibrary/event/EventManager.java b/src/main/java/dev/unlegitdqrk/unlegitlibrary/event/EventManager.java
index f871410..3d3b9d0 100644
--- a/src/main/java/dev/unlegitdqrk/unlegitlibrary/event/EventManager.java
+++ b/src/main/java/dev/unlegitdqrk/unlegitlibrary/event/EventManager.java
@@ -18,9 +18,20 @@ public final class EventManager extends DefaultMethodsOverrider {
     public void registerListener(Class<? extends EventListener> listenerClass) throws Exception {
         if (isListenerRegistered(listenerClass)) return;
 
-        Object instance = listenerClass.getDeclaredConstructor().newInstance();
+        EventListener instance = listenerClass.getDeclaredConstructor().newInstance();
+        registerListenerInstance(instance);
+    }
 
-        for (Method method : listenerClass.getDeclaredMethods()) {
+    public void registerListener(EventListener listenerInstance) {
+        if (listenerInstance == null) throw new IllegalArgumentException("Listener instance cannot be null");
+        Class<? extends EventListener> listenerClass = listenerInstance.getClass();
+        if (isListenerRegistered(listenerClass)) return;
+
+        registerListenerInstance(listenerInstance);
+    }
+
+    private void registerListenerInstance(Object instance) {
+        for (Method method : instance.getClass().getDeclaredMethods()) {
             Listener listenerAnnotation = method.getAnnotation(Listener.class);
 
             if (listenerAnnotation == null || method.getParameterCount() != 1) continue;
@@ -37,7 +48,7 @@ public final class EventManager extends DefaultMethodsOverrider {
                     .put(instance, method);
         }
 
-        eventListeners.put(listenerClass, instance);
+        eventListeners.put((Class<? extends EventListener>) instance.getClass(), instance);
     }
 
     public synchronized void unregisterListener(Class<? extends EventListener> listenerClass) {
@@ -51,7 +62,6 @@ public final class EventManager extends DefaultMethodsOverrider {
             }
         }
 
-        // Clean up empty entries
         registeredListener.entrySet().removeIf(e ->
                 e.getValue().values().stream().allMatch(Map::isEmpty));