diff --git a/runners/phpunit-core/script.sh b/runners/phpunit-core/script.sh
index 9b5a2e6..f77908e 100755
--- a/runners/phpunit-core/script.sh
+++ b/runners/phpunit-core/script.sh
@@ -11,4 +11,4 @@ ARGS=( $DRUPAL_TI_PHPUNIT_ARGS )
 
 # Run core tests
 cd core
-./vendor/bin/phpunit "${ARGS[@]}" "$MODULE_DIR/$DRUPAL_TI_MODULE_NAME/$DRUPAL_TI_PHPUNIT_CORE_SRC_DIRECTORY"
+../vendor/bin/phpunit "${ARGS[@]}" "$MODULE_DIR/$DRUPAL_TI_MODULE_NAME/$DRUPAL_TI_PHPUNIT_CORE_SRC_DIRECTORY"