diff --git a/src/Core/src/Internal/Config/StateBinder.php b/src/Core/src/Internal/Config/StateBinder.php
index d02397b03..9b0a2ba97 100644
--- a/src/Core/src/Internal/Config/StateBinder.php
+++ b/src/Core/src/Internal/Config/StateBinder.php
@@ -112,16 +112,16 @@ public function removeInjector(string $class): void
 
     public function hasInjector(string $class): bool
     {
+        if (\array_key_exists($class, $this->state->injectors)) {
+            return true;
+        }
+
         try {
             $reflection = new \ReflectionClass($class);
         } catch (\ReflectionException $e) {
             throw new ContainerException($e->getMessage(), $e->getCode(), $e);
         }
 
-        if (\array_key_exists($class, $this->state->injectors)) {
-            return true;
-        }
-
         if (
             $reflection->implementsInterface(InjectableInterface::class)
             && $reflection->hasConstant('INJECTOR')