diff --git a/nixos/modules/services/continuous-integration/jenkins/job-builder.nix b/nixos/modules/services/continuous-integration/jenkins/job-builder.nix
index ec15a6a3d70..1f65db4ce95 100644
--- a/nixos/modules/services/continuous-integration/jenkins/job-builder.nix
+++ b/nixos/modules/services/continuous-integration/jenkins/job-builder.nix
@@ -144,7 +144,7 @@ in {
             done
 
             echo "Asking Jenkins to reload config"
-            curl --silent -X POST http://localhost:${toString jenkinsCfg.port}/reload
+            curl --silent -X POST http://${jenkinsCfg.host}:${toString jenkinsCfg.port}${jenkinsCfg.prefix}/reload
           '';
       serviceConfig = {
         User = jenkinsCfg.user;