diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9b2f635e..7866b60b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,7 +93,7 @@ message(CHECK_START "Checking if LTO is supported")
 include(CheckIPOSupported)
 check_ipo_supported(RESULT enable_lto)
 if(enable_lto)
-  message(CHECK_PASS "yes")
+  message(CHECK_PASS "yes (enabled only in release modes)")
   set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELEASE ON)
   set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO ON)
   set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL ON)