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-rw-r--r--src/libsystemd/sd-event/sd-event.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 53f1904d3d..a21f7db8eb 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -1282,7 +1282,8 @@ _public_ int sd_event_source_set_io_events(sd_event_source *s, uint32_t events)
assert_return(s->event->state != SD_EVENT_FINISHED, -ESTALE);
assert_return(!event_pid_changed(s->event), -ECHILD);
- if (s->io.events == events)
+ /* edge-triggered updates are never skipped, so we can reset edges */
+ if (s->io.events == events && !(events & EPOLLET))
return 0;
if (s->enabled != SD_EVENT_OFF) {