diff --git a/README b/README
index be4699f34..9a0c9d8e9 100644
--- a/README
+++ b/README
@@ -38,7 +38,7 @@ Ubuntu PPA https://launchpad.net/~sane-project/+archive/ubuntu/sane-release
 
 sudo add-apt-repository ppa:sane-project/sane-release
 sudo apt update
-apt install libsane libsane-common sane-utils
+sudo apt install libsane libsane-common sane-utils
 
 
 Prerequisites