diff --git a/cmake/compiler-env.cmake b/cmake/compiler-env.cmake
index 9bb7496..055d49b 100644
--- a/cmake/compiler-env.cmake
+++ b/cmake/compiler-env.cmake
@@ -21,7 +21,7 @@ cmake_policy(SET CMP0069 NEW)
 set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
-#set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
+set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
 
 ##########################################