diff --git a/src/Dev/SapphireTest.php b/src/Dev/SapphireTest.php
index ab70eab6944..7790f565991 100644
--- a/src/Dev/SapphireTest.php
+++ b/src/Dev/SapphireTest.php
@@ -1239,6 +1239,15 @@ protected function mockSleep(int $seconds): DBDatetime
      */
     private function setI18nLocale(): void
     {
+        // Skip setting the locale for excluded test classes that are known to cause a
+        // exception when calling getCurrentRelativePath(), and we can be sure
+        // do not require the locale to be set to en_US
+        $excluded = [
+            'SilverStripe\BehatExtension\Tests\SilverStripeContextTest',
+        ];
+        if (in_array(static::class, $excluded)) {
+            return;
+        }
         $path = $this->getCurrentRelativePath();
         $packagistName = '';
         if (preg_match('#(^|/)vendor/([^/]+/[^/]+)/.+#', $path, $matches)) {