diff --git a/pgo/pgo.c b/pgo/pgo.c
index 6be60363..54618204 100644
--- a/pgo/pgo.c
+++ b/pgo/pgo.c
@@ -96,6 +96,7 @@ wayl_win_init(struct terminal *term, const char *token)
 void wayl_win_destroy(struct wl_window *win) {}
 void wayl_win_alpha_changed(struct wl_window *win) {}
 bool wayl_win_set_urgent(struct wl_window *win) { return true; }
+bool wayl_fractional_scaling(const struct wayland *wayl) { return true; }
 
 bool
 spawn(struct reaper *reaper, const char *cwd, char *const argv[],