--- libaitio/src/exec.c	2013/12/06 01:30:22	1.1.2.12
+++ libaitio/src/exec.c	2013/12/06 01:31:30	1.1.2.13
@@ -71,6 +71,7 @@ io_progDestroy(prog_t ** __restrict pprg)
 	e_free((*pprg)->prog_used);
 	array_Destroy(&(*pprg)->prog_fds);
 	pthread_mutex_destroy(&(*pprg)->prog_mtx);
+	signal(SIGPIPE, SIG_DFL);
 
 	e_free(*pprg);
 	*pprg = NULL;