diff --git a/test/cmake/AssertionTest.cmake b/test/cmake/AssertionTest.cmake
index a574eb8..731b622 100644
--- a/test/cmake/AssertionTest.cmake
+++ b/test/cmake/AssertionTest.cmake
@@ -49,7 +49,7 @@ function(test_mock_message)
 
   assert_defined(FATAL_ERROR_MESSAGES)
   assert_strequal("${FATAL_ERROR_MESSAGES}" "some fatal error message")
-endfunction()
+endfunction().
 
 if(NOT DEFINED TEST_COMMAND)
   message(FATAL_ERROR "The 'TEST_COMMAND' variable should be defined")