diff --git a/trunk/paradiseo-mo/tutorial/Lesson8/CMakeLists.txt b/trunk/paradiseo-mo/tutorial/Lesson8/CMakeLists.txt
index 982173989..a6230d822 100644
--- a/trunk/paradiseo-mo/tutorial/Lesson8/CMakeLists.txt
+++ b/trunk/paradiseo-mo/tutorial/Lesson8/CMakeLists.txt
@@ -1,5 +1,6 @@
 INCLUDE_DIRECTORIES(${EO_SRC_DIR}/src
 					${MO_SRC_DIR}/src
+					${MOEO_SRC_DIR}/src
 					${PROBLEMS_SRC_DIR}
 					${CMAKE_CURRENT_SOURCE_DIR}/../src)