diff --git a/src/notification_server.c b/src/notification_server.c
index 3d1ce7c..9099207 100644
--- a/src/notification_server.c
+++ b/src/notification_server.c
@@ -918,7 +918,10 @@
 
     if (n) {
         for (n = 0; n < count_pollfds; n++) {
-            if (pollfds[n].revents & (POLLIN | POLLOUT)) {
+            if (pollfds[n].revents & (POLLHUP | POLLERR)) {
+                ERROR("notifications: poll pipe closed or error");
+                return -1;
+            } else if (pollfds[n].revents & (POLLIN | POLLOUT)) {
                 /*
                  * returns immediately if the fd does not
                  * match anything under libwebsockets