diff --git a/tests/checkasm/checkasm.h b/tests/checkasm/checkasm.h
index 0c8bc2d156..159a0a8f5f 100644
--- a/tests/checkasm/checkasm.h
+++ b/tests/checkasm/checkasm.h
@@ -172,4 +172,4 @@ void checkasm_checked_call(void *func, ...);
 #define bench_new(...) while(0)
 #endif
 
-#endif
+#endif /* TESTS_CHECKASM_CHECKASM_H */