diff --git a/app/matrix/lib/appservice-irc.libsonnet b/app/matrix/lib/appservice-irc.libsonnet
index fd51e4e..7906463 100644
--- a/app/matrix/lib/appservice-irc.libsonnet
+++ b/app/matrix/lib/appservice-irc.libsonnet
@@ -70,7 +70,7 @@
                 template+: {
                     spec+: {
                         volumes_: {
-                            config: kube.ConfigMapVolume(bridge.config),
+                            config: kube.SecretVolume(bridge.config),
                         },
                         containers_: {
                             bootstrap: kube.Container("appservice-irc-%s-bootstrap" % [name]) {