diff --git a/utest/CMakeLists.txt b/utest/CMakeLists.txt
index a2166a52..33a24f16 100644
--- a/utest/CMakeLists.txt
+++ b/utest/CMakeLists.txt
@@ -5,7 +5,7 @@ set(SELF_SRCS
     unit_utest_main.cpp  #mpl_unit.test.cpp
     Quantity.test.cpp
     bpu.test.cpp
-    bu.test.cpp
+    basis_unit.test.cpp
     natural_unit.test.cpp
     unit.test.cpp #quantity.test.cpp
 )
diff --git a/utest/bu.test.cpp b/utest/basis_unit.test.cpp
similarity index 100%
rename from utest/bu.test.cpp
rename to utest/basis_unit.test.cpp