diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index 7b802f1b5f..e3381a1665 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -382,7 +382,9 @@ (define-public lightdm
            libtool
            vala                         ;for Vala bindings
            ;; For tests
-           dbus
+           ;; All tests fail with dbus >= 1.15.2, see
+           ;; https://github.com/canonical/lightdm/issues/346
+           dbus-1.15.0
            python-wrapper
            python-pygobject
            which