diff --git a/app/code/Magento/Captcha/Cron/DeleteExpiredImages.php b/app/code/Magento/Captcha/Cron/DeleteExpiredImages.php
index afacad9b249e3..e7fd3c3689e92 100644
--- a/app/code/Magento/Captcha/Cron/DeleteExpiredImages.php
+++ b/app/code/Magento/Captcha/Cron/DeleteExpiredImages.php
@@ -97,7 +97,7 @@ protected function _deleteExpiredImagesForWebsite(
         $imageDirectory = $this->_mediaDirectory->getRelativePath($helper->getImgDir($website));
         foreach ($this->_mediaDirectory->read($imageDirectory) as $filePath) {
             if ($this->_mediaDirectory->isFile($filePath)
-                && $this->_fileInfo->getPathInfo($filePath, PATHINFO_EXTENSION) == 'png'
+                && $this->_fileInfo->getPathInfo($filePath)['extension'] == 'png'
                 && $this->_mediaDirectory->stat($filePath)['mtime'] < $expire
             ) {
                 $this->_mediaDirectory->delete($filePath);
diff --git a/app/code/Magento/Captcha/Test/Unit/Cron/DeleteExpiredImagesTest.php b/app/code/Magento/Captcha/Test/Unit/Cron/DeleteExpiredImagesTest.php
index 97fdb1b6380fa..5704c436e6b49 100644
--- a/app/code/Magento/Captcha/Test/Unit/Cron/DeleteExpiredImagesTest.php
+++ b/app/code/Magento/Captcha/Test/Unit/Cron/DeleteExpiredImagesTest.php
@@ -147,6 +147,18 @@ public function testDeleteExpiredImages($website, $isFile, $filename, $mTime, $t
         $this->_directory->expects($this->exactly($timesToCall))->method('isFile')->willReturn($isFile);
         $this->_directory->expects($this->any())->method('stat')->willReturn(['mtime' => $mTime]);
 
+        // Mock getPathInfo to return proper array structure for our fix
+        $extension = pathinfo($filename, PATHINFO_EXTENSION);
+        $this->_fileInfo->expects($this->any())
+            ->method('getPathInfo')
+            ->with($filename)
+            ->willReturn([
+                'dirname' => '.',
+                'basename' => $filename,
+                'extension' => $extension,
+                'filename' => pathinfo($filename, PATHINFO_FILENAME)
+            ]);
+
         $this->_deleteExpiredImages->execute();
     }