diff --git a/custompkg/root/etc/skel/Library/bashrc.d/200.google-cloud-sdk.sh b/custompkg/root/etc/skel/Library/bashrc.d/200.google-cloud-sdk.sh
index 1df568f..5b2880f 100644
--- a/custompkg/root/etc/skel/Library/bashrc.d/200.google-cloud-sdk.sh
+++ b/custompkg/root/etc/skel/Library/bashrc.d/200.google-cloud-sdk.sh
@@ -1,2 +1,4 @@
-source "$HOME/Library/Homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/path.bash.inc"
-source "$HOME/Library/Homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/completion.bash.inc"
+if [[ -e "$HOME/Library/Homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk" ]]; then
+    source "$HOME/Library/Homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/path.bash.inc"
+    source "$HOME/Library/Homebrew/Caskroom/google-cloud-sdk/latest/google-cloud-sdk/completion.bash.inc"
+fi
diff --git a/custompkg/root/etc/skel/Library/user-setup/100.install-caskroom-apps.sh b/custompkg/root/etc/skel/Library/user-setup/100.install-caskroom-apps.sh
index 6419df0..c552aad 100755
--- a/custompkg/root/etc/skel/Library/user-setup/100.install-caskroom-apps.sh
+++ b/custompkg/root/etc/skel/Library/user-setup/100.install-caskroom-apps.sh
@@ -34,7 +34,7 @@ CASKS="
     spotify
     sublime-text
     syncthing-app
-    torbrowser
+    tor-browser
     vlc
     xscreensaver
 "
diff --git a/custompkg/root/etc/skel/Library/user-setup/100.install-python-packages.sh b/custompkg/root/etc/skel/Library/user-setup/100.install-python-packages.sh
index 9f4a8e6..568c181 100644
--- a/custompkg/root/etc/skel/Library/user-setup/100.install-python-packages.sh
+++ b/custompkg/root/etc/skel/Library/user-setup/100.install-python-packages.sh
@@ -2,6 +2,7 @@ PYTHON_PKGS="
     awscli
     awsebcli
     pipenv
+    powerline-shell
     virtualenv
 "