diff --git a/run-tests.php b/run-tests.php
index d772c85f9527..5c1223ad11c8 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -3720,9 +3720,14 @@ public function checkSkip(string $php, string $code, string $checkFile, string $
 
         save_text($checkFile, $code, $tempFile);
         $result = trim(system_with_timeout("$php \"$checkFile\"", $env));
-        if (strpos($result, 'nocache') === 0) {
-            $result = '';
-        } else if ($this->enable) {
+        $cacheResult = $this->enable;
+
+        while (!strncasecmp('nocache', $result, 7)) {
+            $result = ltrim(substr($result, 7));
+            $cacheResult = false;
+        }
+
+        if ($cacheResult) {
             $this->skips[$key][$code] = $result;
         }
         $this->misses++;