diff --git a/pgo/pgo.c b/pgo/pgo.c
index 6dc0dd10..f87863c0 100644
--- a/pgo/pgo.c
+++ b/pgo/pgo.c
@@ -157,6 +157,11 @@ notify_notify(struct terminal *term, struct notification *notif)
     return true;
 }
 
+void
+notify_close(struct terminal *term, const char *id)
+{
+}
+
 void
 notify_free(struct terminal *term, struct notification *notif)
 {