diff --git a/.zshrc b/.zshrc
index 14b92ae..f79d319 100644
--- a/.zshrc
+++ b/.zshrc
@@ -1,14 +1,36 @@
 # vim:sts=2:sw=2:ft=zsh
 
-# Autocompletion
-export FPATH=~/.dotfiles/zsh/functions:$FPATH
+# Base directories for dotfiles.
+export DOTFILES=~/.dotfiles
 
-# Theme
-source ~/.dotfiles/zsh/themes/gentoo.zsh.theme
+# Enables base completion
+autoload -Uz compinit
+compinit
+
+# Autocompletion
+export FPATH=$DOTFILES/zsh/functions:$FPATH
 
 # zsh packages from system
-source /usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh
-source /usr/share/zsh-syntax-highlighting/zsh-syntax-hightlighting.zsh
+if uname -a | grep -qi 'debian'; then
+  # For Debian, it requires two packages
+  if [ -e /usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh ]; then 
+    source /usr/share/zsh-autosuggestions/zsh-autosuggestions.zsh
+  fi
+  if [ -e /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh ]; then
+    source /usr/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
+  fi
+  #
+  # Theme
+  source $DOTFILES/zsh/themes/gentoo.zsh-theme
+elif uname -a | grep -qi '\(arch\|manjaro\)'; then
+  # Archlinux or manjaro
+  if [ -e /usr/share/zsh/manjaro-zsh-config ]; then
+    source /usr/share/zsh/manjaro-zsh-config
+  fi
+  if [ -e /usr/share/zsh/manjaro-zsh-prompt ]; then
+    source /usr/share/zsh/manjaro-zsh-prompt
+  fi
+fi
 
 # Plugins
 source ~/.dotfiles/zsh/plugins/*.plugin.zsh