diff --git a/gnu/packages/wm.scm b/gnu/packages/wm.scm
index 13dccf354a..f0f7ab76e9 100644
--- a/gnu/packages/wm.scm
+++ b/gnu/packages/wm.scm
@@ -1420,7 +1420,7 @@ prompt.")
        (list gtk+
              libwnck
              python-xlib
-             python-pygobject
+             python-pygobject-3.50
              python-dbus))
       ;; The actual home page https://ssokolow.com/quicktile/
       ;; gives an SSL error.