diff --git a/unittest/force-styles/CMakeLists.txt b/unittest/force-styles/CMakeLists.txt
index 043b628fd3..fb6cd1a63b 100644
--- a/unittest/force-styles/CMakeLists.txt
+++ b/unittest/force-styles/CMakeLists.txt
@@ -246,7 +246,7 @@ if(MLIAP_ENABLE_PYTHON AND (NOT WIN32))
   add_executable(test_mliappy_unified test_mliappy_unified.cpp)
   target_link_libraries(test_mliappy_unified PRIVATE lammps GTest::GMockMain)
   add_test(NAME TestMliapPyUnified COMMAND test_mliappy_unified)
-  set_tests_properties(${TNAME} PROPERTIES ENVIRONMENT "${FORCE_TEST_ENVIRONMENT}")
+  set_tests_properties(TestMliapPyUnified PROPERTIES ENVIRONMENT "${FORCE_TEST_ENVIRONMENT}")
 endif()
 
 add_executable(test_pair_list test_pair_list.cpp)