diff --git a/Makefile b/Makefile
index c8d4063..102fce3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 
 install: 
-	source ./script_install.sh
+	. ./script_install.sh
 
 run: 
 	./run_simulation.sh