diff --git a/nixos/modules/services/system/dbus-session-local.conf.in b/nixos/modules/services/system/dbus-session-local.conf.in
new file mode 100644
index 000000000000..5fd6f80a3539
--- /dev/null
+++ b/nixos/modules/services/system/dbus-session-local.conf.in
@@ -0,0 +1,5 @@
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+<busconfig>
+  @extra@
+</busconfig>
diff --git a/nixos/modules/services/system/dbus-system-local.conf.in b/nixos/modules/services/system/dbus-system-local.conf.in
new file mode 100644
index 000000000000..edbb476f585a
--- /dev/null
+++ b/nixos/modules/services/system/dbus-system-local.conf.in
@@ -0,0 +1,6 @@
+<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
+ "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+<busconfig>
+  <servicehelper>@servicehelper@</servicehelper>
+  @extra@
+</busconfig>