diff --git a/aliases/available/macports.aliases.bash b/aliases/available/macports.aliases.bash
index aa1ca1bb..b527e1ba 100644
--- a/aliases/available/macports.aliases.bash
+++ b/aliases/available/macports.aliases.bash
@@ -2,7 +2,7 @@ cite 'about-alias'
 about-alias 'macports aliases'
 
 alias pc="sudo port clean --all installed"
-alias pi="sudo port install $1"
+alias pi="sudo port install $2"
 alias psu="sudo port selfupdate"
 alias puni="sudo port uninstall inactive"
 alias puo="sudo port upgrade outdated"