diff --git a/src/Analyser/ResultCache/ResultCacheManager.php b/src/Analyser/ResultCache/ResultCacheManager.php
index c687675f75..87e6b07785 100644
--- a/src/Analyser/ResultCache/ResultCacheManager.php
+++ b/src/Analyser/ResultCache/ResultCacheManager.php
@@ -234,7 +234,7 @@ public function restore(array $allAnalysedFiles, bool $debug, bool $onlyFiles, ?
 		$filteredExportedNodes = [];
 		$newFileAppeared = false;
 
-		foreach (array_keys($this->getStubFiles()) as $stubFile) {
+		foreach ($this->getStubFiles() as $stubFile) {
 			if (!array_key_exists($stubFile, $errors)) {
 				continue;
 			}