From 32e982448d055ad2f2536f687da92a8017a24f8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Tue, 3 Jul 2018 13:55:27 +0100
Subject: [PATCH] gpsd: use optionalString

---
 nixos/modules/services/misc/gpsd.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/misc/gpsd.nix b/nixos/modules/services/misc/gpsd.nix
index 80f5501ec1d..3bfcb636a3c 100644
--- a/nixos/modules/services/misc/gpsd.nix
+++ b/nixos/modules/services/misc/gpsd.nix
@@ -107,8 +107,8 @@ in
         ExecStart = ''
           ${pkgs.gpsd}/sbin/gpsd -D "${toString cfg.debugLevel}"  \
             -S "${toString cfg.port}"                             \
-            ${if cfg.readonly then "-b" else ""}                  \
-            ${if cfg.nowait   then "-n" else ""}                  \
+            ${optionalString cfg.readonly "-b"}                   \
+            ${optionalString cfg.nowait "-n"}                     \
             "${cfg.device}"
         '';
       };