diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ad3eb9682..b1b17f6c5 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -66,6 +66,15 @@ if (BUILD_TESTING)
     target_link_libraries(UNIT_FrameSemantics_TEST TINYXML2::TINYXML2)
   endif()
 
+  if(TARGET UNIT_gz_TEST)
+    set(_env_vars)
+    list(APPEND _env_vars "GZ_CONFIG_PATH=${CMAKE_BINARY_DIR}/test/conf")
+    list(APPEND _env_vars "GZ_CONFIG_PATH=${CMAKE_BINARY_DIR}/test/conf/$<CONFIG>")
+
+    set_tests_properties(UNIT_gz_TEST PROPERTIES
+      ENVIRONMENT "${_env_vars}")
+  endif()
+
   if (TARGET UNIT_ParamPassing_TEST)
     target_link_libraries(UNIT_ParamPassing_TEST
       TINYXML2::TINYXML2