diff --git a/gnu/packages/xfce.scm b/gnu/packages/xfce.scm
index 992ffeae7971cf67c4947f05791b8a11fea7a92c..bc6d47a92a06cd5dd432b6672c64a0075cc3a48c 100644
--- a/gnu/packages/xfce.scm
+++ b/gnu/packages/xfce.scm
@@ -268,6 +268,8 @@ (define-public xfce4-panel
                 "1c4p3ckghvsad1sj5v8wmar5mh9cbhail9mmhad2f9pwwb10z4ih"))
               (patches (list (search-patch "xfce4-panel-plugins.patch")))))
     (build-system gnu-build-system)
+    (arguments
+     '(#:configure-flags '("--enable-gtk3")))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("intltool" ,intltool)))