diff --git a/xo-indentlog/example/ex1/CMakeLists.txt b/xo-indentlog/example/ex1/CMakeLists.txt
index 69f49e17..3b482907 100644
--- a/xo-indentlog/example/ex1/CMakeLists.txt
+++ b/xo-indentlog/example/ex1/CMakeLists.txt
@@ -1,4 +1,7 @@
+set(SELF_EXE indentlog_ex1)
+set(SELF_SRCS ex1.cpp)
+
 if (XO_ENABLE_EXAMPLES)
-    add_executable(indentlog_ex1 ex1.cpp)
+    add_executable(${SELF_EXE} ${SELF_SRCS})
     xo_include_options2(indentlog_ex1)
 endif()