diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3690eda..ba40a6c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,11 +11,11 @@ string(TIMESTAMP CURRENT_DATE "%Y-%m-%d")
 
 # Options 1
 set(OPT1 "")
-#set(OPT1 "NONE")
+#set(OPT1 "_NONE")
 
 # Options 2
 set(OPT2 "")
-#set(OPT2 "NONE")
+#set(OPT2 "_NONE")
 
 enable_language(C)
 enable_language(CXX)