diff --git a/Makefile b/Makefile
index 5c0c174..8ed23c1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,11 @@
 compile:
 	bison --verbose -d Monicelli.y
-	flex Monicelli.ll
-	gcc -DYYDEBUG=0 Monicelli.tab.c lex.yy.c main.c -o mcc
-	rm Monicelli.tab.* lex.yy.c
+	flex -P monicelli_ Monicelli.ll
+	g++ -std=c++11 -g -DYYDEBUG=0 Monicelli.tab.c lex.monicelli_.c Nodes.cpp main.cpp -o mcc
+	rm Monicelli.tab.* lex.monicelli_.c
 
 graph:
 	bison --graph Monicelli.y
 
 clean:
-	rm -f Monicelli.dot Monicelli.tab.* lex.yy.c Monicelli.output
+	rm -f Monicelli.dot Monicelli.tab.* lex.monicelli_.c Monicelli.output