diff --git a/Dockerfile b/Dockerfile
index 406cb64..bdf6517 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,7 @@ apt-get update && apt-get upgrade
 chmod +x /bin/bubble
 apt-get install -y curl jq neovim htop fish tmux sudo git
 useradd -m -s /usr/bin/fish user
-echo "user ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers
+echo "user ALL=(ALL:ALL) NOPASSWD:ALL" >> /etc/sudoers
 sudo -u user mkdir -p /home/user/.config/fish/
 EOF
 COPY ./init.fish /init.fish
diff --git a/user.fish b/user.fish
index 3b65211..49e420f 100644
--- a/user.fish
+++ b/user.fish
@@ -10,6 +10,10 @@ function exit
     tmux detach
 end
 
+function logout
+    exit
+end
+
 function install-docker
     if test -e /bin/docker
         echo "Docker is already present at /bin/docker."