diff --git a/Makefile b/Makefile
index 8193a72..afe5fd4 100644
--- a/Makefile
+++ b/Makefile
@@ -11,8 +11,8 @@ clean:
 
 ls7emulator:
 	cd src
-	$(CC) ls7emulator.c -o ls7emulator $(CFLAGS)
-	
+	$(CC) ls7emulator.c -o ls7emulator $(CFLAGS) -O2
+
 	rm ../bin -rf
 	mkdir ../bin
 	cd ../bin