diff --git a/templates/k8s/statefulset.libsonnet b/templates/k8s/statefulset.libsonnet
index 47711ccb5..f003ac055 100644
--- a/templates/k8s/statefulset.libsonnet
+++ b/templates/k8s/statefulset.libsonnet
@@ -113,15 +113,14 @@ local Kube = import "kube.libsonnet";
                   name: "gerrit-ssh-keys",
                   readOnly: true,
                 }
-              ] 
-              + if std.objectHas(config, "gerrit") then [
+              ] + (if std.objectHas(config, "gerrit") then [
                 {
                   mountPath: "/run/secrets/jenkins/ssh-" + gerrit.site,
                   name: std.strReplace(gerrit.site, '.', '-') + "-ssh-keys",
                   readOnly: true,
-                } 
+                }
                 for gerrit in config.gerrit
-              ] else [],
+              ]) else [],
               env: [
                 {
                   name: "JAVA_OPTS",
@@ -222,8 +221,8 @@ local Kube = import "kube.libsonnet";
                 secretName: "gerrit-ssh-keys",
               },
             }
-          ] 
-          + if std.objectHas(config, "gerrit") then [
+          ]
+          + (if std.objectHas(config, "gerrit") then [
             {
               name: std.strReplace(gerrit.site, '.', '-') + "-ssh-keys",
               secret: {
@@ -231,7 +230,7 @@ local Kube = import "kube.libsonnet";
               },
             }
             for gerrit in config.gerrit
-          ] else [],
+          ]) else [],
         },
       },
       volumeClaimTemplates: [