diff --git a/GaudiConf/CMakeLists.txt b/GaudiConf/CMakeLists.txt
index f25fdea468073e94506b2fa796b5a25f95967435..04f39d5208de0ea3a61bf0239136b314625c8ac7 100644
--- a/GaudiConf/CMakeLists.txt
+++ b/GaudiConf/CMakeLists.txt
@@ -33,6 +33,7 @@ if(BUILD_TESTING)
 
     gaudi_add_pytest(python OPTIONS --doctest-modules -v)
     gaudi_add_pytest(tests/pytest)
+    add_dependencies(pytest-prefetch-GaudiConf-GaudiConf.pytest LHCb_MergeConfdb)
     add_dependencies(pytest-prefetch-GaudiConf-GaudiConf.pytest.python LHCb_MergeConfdb)
 
     # GAUDI-976: make GaudiTest.py more resilient towards unicode-ascii conversion failure