diff --git a/conf/postfix-script b/conf/postfix-script
index 19088a6..04fae23 100755
--- a/conf/postfix-script
+++ b/conf/postfix-script
@@ -43,7 +43,6 @@ FATAL="$LOGGER -p fatal"
 PANIC="$LOGGER -p panic"
 
 umask 022
-SHELL=/bin/sh
 
 #
 # Can't do much without these in place.
@@ -229,7 +228,7 @@ status)
 check-fatal)
 	# This command is NOT part of the public interface.
 
-	$SHELL $daemon_directory/post-install create-missing || {
+	$daemon_directory/post-install create-missing || {
 		$FATAL unable to create missing queue directories
 		exit 1
 	}