diff --git a/src/Reflection/BetterReflection/SourceLocator/AutoloadSourceLocator.php b/src/Reflection/BetterReflection/SourceLocator/AutoloadSourceLocator.php
index e6c1e3f596..51c2da7caf 100644
--- a/src/Reflection/BetterReflection/SourceLocator/AutoloadSourceLocator.php
+++ b/src/Reflection/BetterReflection/SourceLocator/AutoloadSourceLocator.php
@@ -293,7 +293,7 @@ public function locateIdentifiersByType(Reflector $reflector, IdentifierType $id
 	 */
 	private function getReflectionClass(string $className): ?ReflectionClass
 	{
-		if (class_exists($className) || interface_exists($className) || trait_exists($className)) {
+		if (class_exists($className, !$this->disableRuntimeReflectionProvider) || interface_exists($className, !$this->disableRuntimeReflectionProvider) || trait_exists($className, !$this->disableRuntimeReflectionProvider)) {
 			$reflection = new ReflectionClass($className);
 			$filename = $reflection->getFileName();