diff --git a/setup.sh b/setup.sh
index da334ab..75dd597 100644
--- a/setup.sh
+++ b/setup.sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 export DEBIAN_FRONTEND=noninteractive
-ln -fs /usr/share/zoneinfo/Indian/Reunion /etc/localtime
+sudo ln -fs /usr/share/zoneinfo/Indian/Reunion /etc/localtime
 sudo apt-get install -y tzdata
 sudo dpkg-reconfigure --frontend noninteractive tzdata