diff --git a/tests/syntax.sh b/tests/syntax.sh
index a5a32f1..b62f25f 100644
--- a/tests/syntax.sh
+++ b/tests/syntax.sh
@@ -1 +1 @@
-phpcs --standard=PSR2 ../src/Curl.class.php
+phpcs --standard=PSR2 --extensions=php ..