diff --git a/includes/upload/UploadFromUrl.php b/includes/upload/UploadFromUrl.php
index 0201d5f4e22..6d956e2aa45 100644
--- a/includes/upload/UploadFromUrl.php
+++ b/includes/upload/UploadFromUrl.php
@@ -204,13 +204,16 @@ class UploadFromUrl extends UploadBase {
 		}
 		return Status::newGood();
 	}
+
 	/**
 	 * Create a new temporary file in the URL subdirectory of wfTempDir().
 	 *
 	 * @return string Path to the file
 	 */
 	protected function makeTemporaryFile() {
-		return tempnam( wfTempDir(), 'URL' );
+		$tmpFile = new TempFSFile( 'URL' );
+		$tmpFile->bind( $this );
+		return $tmpFile->getPath();
 	}
 
 	/**