diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d5d25b..a18d204 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,8 +4,6 @@ project(parameter)
 
 set(CMAKE_CXX_STANDARD 17)
 
-include_directories(include)
-
 add_library(order
         src/Options.cpp
         src/Order.cpp
@@ -13,6 +11,8 @@ add_library(order
         src/OptionsException.cpp
 )
 
+target_include_directories(order PUBLIC include)
+
 if (DEFINED ENABLE_TEST)
     add_executable(myTest
             test_main.cpp