diff --git a/composer.json b/composer.json
index 9441267..6b38057 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
 			"./vendor/phpunit/phpunit/phpunit --colors=always"
 		],
 		"test-coverage": [
-			"php -dpcov.directory=. ./vendor/bin/phpunit --coverage-clover \"$COVERAGE_DIR/php/clover.xml\""
+			"php -dpcov.directory=. ./vendor/bin/phpunit --coverage-php \"$COVERAGE_DIR/php.cov\""
 		],
 		"test-php": [
 			"@composer phpunit"