diff --git a/eo/tutorial/Lesson5/Makefile b/eo/tutorial/Lesson5/Makefile
index b1fbedfb..bb865c10 100644
--- a/eo/tutorial/Lesson5/Makefile
+++ b/eo/tutorial/Lesson5/Makefile
@@ -14,9 +14,9 @@ DIR_EO = ../../src
 # and have problems with the interpretation of the output (and its colors)
 # then you should use c++ instead (make CXX=c++ will do)
 
-.cpp: ; $(CXX)  -DPACKAGE=\"eo\" -DVERSION=\"0.9.3\" -I. -I../../src -Wall -g -pg  -o $@  $*.cpp ../../src/libeo.a ../../src/utils/libeoutils.a
+.cpp: ; $(CXX)  -DPACKAGE=\"eo\" -DVERSION=\"0.9.3\" -I. -I$(DIR_EO) -Wall -g -o $@  $*.cpp $(DIR_EO)/utils/libeoutils.a $(DIR_EO)/libeo.a 
 
-.cpp.o: ; $(CXX) -DPACKAGE=\"eo\" -DVERSION=\"0.9.3\" -I. -I../../src -Wall -g -c -pg $*.cpp
+.cpp.o: ; $(CXX) -DPACKAGE=\"eo\" -DVERSION=\"0.9.3\" -I. -I$(DIR_EO) -Wall -g -c $*.cpp
 
 # local sources
 COMMON_SOURCES =    eoOneMax.h \
@@ -34,19 +34,15 @@ LIB_SOURCES = OneMaxLibEA.cpp make_OneMax.cpp
 
 SOURCES = $(COMMON_SOURCES) OneMaxEA.cpp OneMaxLibEA.cpp make_OneMax.cpp
 
-# START eventually modify the name of EO dir
-DIR_EO = ../../src
-# END eventually modify the name of EO dir
-
 LIB_EO = $(DIR_EO)/utils/libeoutils.a $(DIR_EO)/libeo.a
 
 ALL = OneMaxEA OneMaxLibEA
 
 OneMaxEA : OneMaxEA.o
-	c++ -g -o $@ OneMaxEA.o ../../src/utils/libeoutils.a ../../src/libeo.a -lm 
+	$(CXX) -g -o $@ OneMaxEA.o $(DIR_EO)/utils/libeoutils.a $(DIR_EO)/libeo.a -lm 
 
 OneMaxLibEA : OneMaxLibEA.o make_OneMax.o
-	c++ -g -o $@ OneMaxLibEA.o make_OneMax.o ../../src/utils/libeoutils.a ../../src/libeo.a -lm
+	$(CXX) -g -o $@ OneMaxLibEA.o make_OneMax.o $(DIR_EO)/utils/libeoutils.a $(DIR_EO)/libeo.a -lm
 
 tar : ; tar czvf OneMax.tgz *.h *.cpp Makefile