diff --git a/src/Plugins/Tia/Graph.php b/src/Plugins/Tia/Graph.php
index a91dc919..415e5291 100644
--- a/src/Plugins/Tia/Graph.php
+++ b/src/Plugins/Tia/Graph.php
@@ -1326,7 +1326,7 @@ final class Graph
      * test IDs are no longer present (e.g. the test method was removed or renamed).
      *
      * @param  array<int, string>  $touchedFiles  Absolute or project-relative paths.
-     * @param  array<int, string>  $keepTestIds   Test IDs that produced a result this run.
+     * @param  array<int, string>  $keepTestIds  Test IDs that produced a result this run.
      */
     public function pruneStaleResults(string $branch, array $touchedFiles, array $keepTestIds): void
     {
@@ -1351,8 +1351,10 @@ final class Graph
 
         foreach ($this->baselines[$branch]['results'] as $testId => $result) {
             $file = $result['file'] ?? null;
-
-            if (! is_string($file) || ! isset($touched[$file])) {
+            if (! is_string($file)) {
+                continue;
+            }
+            if (! isset($touched[$file])) {
                 continue;
             }