diff --git a/tests/p_postfix/0-install_postfix.sh b/tests/p_postfix/0-install_postfix.sh
index db7b1ec..798e897 100755
--- a/tests/p_postfix/0-install_postfix.sh
+++ b/tests/p_postfix/0-install_postfix.sh
@@ -10,5 +10,5 @@ sleep 3
 t_RemovePackage sendmail exim
 
 # Postfix
-t_InstallPackage postfix
+t_InstallPackage postfix nc
 t_ServiceControl postfix start