diff --git a/gnu/packages/kde-frameworks.scm b/gnu/packages/kde-frameworks.scm
index 83972a6eda..de67bd59c5 100644
--- a/gnu/packages/kde-frameworks.scm
+++ b/gnu/packages/kde-frameworks.scm
@@ -1217,7 +1217,7 @@ messages.")
          (replace 'check
            (lambda _
              (setenv "DBUS_FATAL_WARNINGS" "0")
-             (zero? (system* "dbus-launch" "ctest" ".")))))))
+             (invoke "dbus-launch" "ctest" "."))))))
     (home-page "https://community.kde.org/Frameworks")
     (synopsis "Qt wrapper for NetworkManager DBus API")
     (description "NetworkManagerQt provides access to all NetworkManager