diff --git a/src/event_system.c b/src/event_system.c
index 0ed42fa..1b66c17 100644
--- a/src/event_system.c
+++ b/src/event_system.c
@@ -122,9 +122,9 @@ void es_deinit(EventSystem *event_system) {
   }
 
   ESInternal *es = get_event_system_internal(*event_system);
-	if (!VALID_MAGIC(es)) {
-		return;
-	}
+  if (!VALID_MAGIC(es)) {
+    return;
+  }
 
   munmap(system, es->alloc_size);
 
@@ -139,9 +139,9 @@ Event es_register_event(EventSystem event_system) {
   }
 
   ESInternal *es = get_event_system_internal(event_system);
-	if (!VALID_MAGIC(es)) {
-		goto RETURN_EVENT;
-	}
+  if (!VALID_MAGIC(es)) {
+    goto RETURN_EVENT;
+  }
 
   event.system = event_system;
 
@@ -201,9 +201,9 @@ EventListener es_add_event_listener(EventSystem event_system, Event event, Event
   }
 
   ESInternal *es = get_event_system_internal(event_system);
-	if (!VALID_MAGIC(es)) {
+  if (!VALID_MAGIC(es)) {
     goto RETURN_LISTENER;
-	}
+  }
 
   EventInternal *ev = get_event(es, event);