diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c
index d873f8766463..fd16065a6c62 100644
--- a/sys/kern/sys_pipe.c
+++ b/sys/kern/sys_pipe.c
@@ -1221,6 +1221,7 @@ pipeclose(cpipe)
 
 			ppipe->pipe_state |= PIPE_EOF;
 			wakeup(ppipe);
+			KNOTE(&ppipe->pipe_sel.si_note, 0);
 			ppipe->pipe_peer = NULL;
 		}
 		/*