diff --git a/code/nel/tools/nel_unit_test/CMakeLists.txt b/code/nel/tools/nel_unit_test/CMakeLists.txt
index 7e26a2498..6abc06a49 100644
--- a/code/nel/tools/nel_unit_test/CMakeLists.txt
+++ b/code/nel/tools/nel_unit_test/CMakeLists.txt
@@ -8,6 +8,6 @@ TARGET_LINK_LIBRARIES(nel_unit_test ${CPPTEST_LIBRARIES} nelmisc nelnet nelligo)
 NL_DEFAULT_PROPS(nel_unit_test "Unit Tests")
 NL_ADD_RUNTIME_FLAGS(nel_unit_test)
 
-ADD_DEFINITIONS(-DNEL_UNIT_BASE="${PROJECT_SOURCE_DIR}/tools/nel_unit_test/")
+ADD_DEFINITIONS(-DNEL_UNIT_BASE="${PROJECT_SOURCE_DIR}/nel/tools/nel_unit_test/")
 
 INSTALL(TARGETS nel_unit_test RUNTIME DESTINATION ${NL_BIN_PREFIX})