diff --git a/setup.py b/setup.py
index 17104e6..26f4386 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 os.system("sudo apt-get install python-pip && sudo apt-get install tor")   # installing dependencies
 os.system("pip install -U selenium")
 os.system("pip install Pysocks")
-os.system("pip install pyvirtualdisplay && apt-get install xvfb")
+os.system("pip install pyvirtualdisplay && sudo apt-get install xvfb")
 
 #print("\n \n {} \n \n".format(OS_bit))