diff --git a/tests/test-install-from-source.yml b/tests/test-install-from-source.yml
index 69c0775..6002d57 100644
--- a/tests/test-install-from-source.yml
+++ b/tests/test-install-from-source.yml
@@ -5,6 +5,7 @@
   vars:
     php_enable_webserver: false
     php_install_from_source: true
+    php_source_clone_dir: /opt/php-src
     php_source_make_command: "make --jobs=2"
 
   roles: