diff --git a/modules/pacman/init.zsh b/modules/pacman/init.zsh
index bbbdcfb..8b9a433 100644
--- a/modules/pacman/init.zsh
+++ b/modules/pacman/init.zsh
@@ -27,6 +27,8 @@ if (( $+commands[$_pacman_frontend] )); then
   if [[ -s "${0:h}/${_pacman_frontend}.zsh" ]]; then
     source "${0:h}/${_pacman_frontend}.zsh"
   fi
+else
+  _pacman_sudo='sudo '
 fi
 
 #
@@ -34,49 +36,49 @@ fi
 #
 
 # Pacman.
-alias pac='pacman'
+alias pac= "${_pacman_frontend}"
 
 # Installs packages from repositories.
-alias paci='sudo pacman --sync'
+alias paci="${_pacman_sudo}${_pacman_frontend} --sync"
 
 # Installs packages from files.
-alias pacI='sudo pacman --upgrade'
+alias pacI="${_pacman_sudo}${_pacman_frontend} --upgrade"
 
 # Removes packages and unneeded dependencies.
-alias pacx='sudo pacman --remove'
+alias pacx="${_pacman_sudo}${_pacman_frontend} --remove"
 
 # Removes packages, their configuration, and unneeded dependencies.
-alias pacX='sudo pacman --remove --nosave --recursive'
+alias pacX="${_pacman_sudo}${_pacman_frontend} --remove --nosave --recursive"
 
 # Displays information about a package from the repositories.
-alias pacq='pacman --sync --info'
+alias pacq="${_pacman_frontend} --sync --info"
 
 # Displays information about a package from the local database.
-alias pacQ='pacman --query --info'
+alias pacQ="${_pacman_frontend} --query --info"
 
 # Searches for packages in the repositories.
-alias pacs='pacman --sync --search'
+alias pacs="${_pacman_frontend} --sync --search"
 
 # Searches for packages in the local database.
-alias pacS='pacman --query --search'
+alias pacS="${_pacman_frontend} --query --search"
 
 # Lists orphan packages.
-alias pacman-list-orphans='sudo pacman --query --deps --unrequired'
+alias pacman-list-orphans="${_pacman_sudo}${_pacman_frontend} --query --deps --unrequired"
 
 # Removes orphan packages.
-alias pacman-remove-orphans='sudo pacman --remove --recursive $(pacman --quiet --query --deps --unrequired)'
+alias pacman-remove-orphans="${_pacman_sudo}${_pacman_frontend} --remove --recursive \$(${_pacman_frontend} --quiet --query --deps --unrequired)"
 
 # Synchronizes the local package and Arch Build System databases against the
 # repositories.
 if (( $+commands[abs] )); then
-  alias pacu='sudo pacman --sync --refresh && sudo abs'
+  alias pacu="${_pacman_sudo}${_pacman_frontend} --sync --refresh && ${_pacman_sudo}abs"
 else
-  alias pacu='sudo pacman --sync --refresh'
+  alias pacu="${_pacman_sudo}${_pacman_frontend} --sync --refresh"
 fi
 
 # Synchronizes the local package database against the repositories then
 # upgrades outdated packages.
-alias pacU='sudo pacman --sync --refresh --sysupgrade'
+alias pacU="${_pacman_sudo}${_pacman_frontend} --sync --refresh --sysupgrade"
 
-unset _pacman_frontend
+unset _pacman_{frontend,sudo}
 
diff --git a/modules/pacman/yaourt.zsh b/modules/pacman/yaourt.zsh
index fb2a8dc..f4709e0 100644
--- a/modules/pacman/yaourt.zsh
+++ b/modules/pacman/yaourt.zsh
@@ -11,9 +11,9 @@
 
 # Disable color.
 if ! zstyle -t ':prezto:module:pacman:yaourt' color; then
-  alias pacman='pacman --nocolor'
+  alias pacman='yaourt --nocolor'
 fi
 
 # Manages .pac* files.
-alias pacc='pacman -C'
+alias pacc='yaourt -C'