diff -u -r ../calcurse-4.4.0/src/notify.c ./src/notify.c
--- ../calcurse-4.4.0/src/notify.c	2019-01-18 22:38:58.000000000 +0000
+++ ./src/notify.c	2019-03-01 20:45:55.019585998 +0000
@@ -196,8 +196,7 @@
 	if (pthread_equal(notify_t_main, pthread_self()))
 		return;
 
-	pthread_cancel(notify_t_main);
-	pthread_join(notify_t_main, NULL);
+	pthread_kill(notify_t_main, 0);
 	notify_t_main = pthread_self();
 }