diff --git a/src/AnnotationLoader.php b/src/AnnotationLoader.php
index bd1c309..6dd7604 100644
--- a/src/AnnotationLoader.php
+++ b/src/AnnotationLoader.php
@@ -99,7 +99,7 @@ public function build(?string ...$annotationClass): void
             }
         }
 
-        foreach ((array) $annotationClass as $annotation) {
+        foreach (\array_unique((array) $annotationClass) as $annotation) {
             $loadedAnnotation = \array_filter($annotations[$annotation] ?? []);
 
             if (isset($this->listeners[$annotation])) {