From d82120c7bd0dd5c76d12e3f872f2d22c8ffb6c30 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Sat, 8 Sep 2018 15:02:00 +0200
Subject: ...

---
 custom/bar-service.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/custom/bar-service.nix b/custom/bar-service.nix
index 31ae718e..9dc92b8f 100644
--- a/custom/bar-service.nix
+++ b/custom/bar-service.nix
@@ -94,7 +94,7 @@ in {
         PORT = cfg.port;
         HOST = cfg.host;
         APPROOT = cfg.approot;
-        IP_FROM_HEADER = cfg.ipFromHeader;
+        IP_FROM_HEADER = toString cfg.ipFromHeader;
         TPRINT_BASEURL = mkIf (cfg.thermoprintBaseURL != null) cfg.thermoprintBaseURL;
       };
 
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