diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index f8fa56b661..b76831874e 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -302,12 +302,11 @@ (define-public grantlee
      (list qtbase-5 qtdeclarative-5 qtscript))
     (build-system cmake-build-system)
     (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'check 'check-setup
-           (lambda _
-             ;; make Qt render "offscreen", required for tests
-             (setenv "QT_QPA_PLATFORM" "offscreen"))))))
+     (list #:phases #~(modify-phases %standard-phases
+                        (add-before 'check 'check-setup
+                          (lambda _
+                            ;; make Qt render "offscreen", required for tests
+                            (setenv "QT_QPA_PLATFORM" "offscreen"))))))
     (home-page "https://github.com/steveire/grantlee")
     (synopsis "Libraries for text templating with Qt")
     (description "Grantlee Templates can be used for theming and generation of