diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 4c1dcdc78ab7177e2e9e02b606195b71003a027f..178b1323d489a2f081121b582ffb635d02eace7d 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -15,6 +15,11 @@ target_link_libraries(dummy ${PLUGIN_NAME})
 # Create a specific test executable for gtest_example     #
 wolf_add_gtest(gtest_example gtest_example.cpp)           #
 #                                                         #
+# OPTIONAL: if the gtest depends on the dummy library     #
+# (used for implementing pure virtual base classes),      #
+# add a line                                              #
+# target_link_libraries(gtest_example PUBLIC dummy)       #
+#                                                         #
 ###########################################################
 
 ################ ADD YOUR TESTS BELOW ####################
@@ -78,7 +83,7 @@ wolf_add_gtest(gtest_logging gtest_logging.cpp)
 wolf_add_gtest(gtest_motion_buffer gtest_motion_buffer.cpp)
 
 # Parameters server
-wolf_add_gtest(gtest_param_server gtest_param_server.cpp) # ${CMAKE_CURRENT_LIST_DIR})
+wolf_add_gtest(gtest_param_server gtest_param_server.cpp)
 
 # YAML parser
 wolf_add_gtest(gtest_parser_yaml gtest_parser_yaml.cpp)